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14.1 August ASB work

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Signed-off-by: Tad <tad@spotco.us>
This commit is contained in:
Tad 2023-08-08 23:04:17 -04:00
parent 79e3fb6fb4
commit 51bcf23dac
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10 changed files with 1399 additions and 3 deletions
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38
Patches/LineageOS-14.1/android_external_aac/364027-backport.patch Normal file
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@ -0,0 +1,38 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Fraunhofer IIS FDK <audio-fdk@iis.fraunhofer.de>
Date: Tue, 30 May 2023 16:39:32 +0200
Subject: [PATCH] Increase patchParam array size by one and fix out-of-bounce
write in resetLppTransposer().
Bug: 279766766
Test: see POC
(cherry picked from commit f682b8787eb312b9f8997dac4c2c18bb779cf0df)
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:451762ca48e7fb30a0ce77a8962813a3419ec420)
Merged-In: I206973e0bb21140865efffd930e39f920f477359
Change-Id: I206973e0bb21140865efffd930e39f920f477359
---
libSBRdec/src/lpp_tran.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/libSBRdec/src/lpp_tran.h b/libSBRdec/src/lpp_tran.h
index 003a547..c363880 100644
--- a/libSBRdec/src/lpp_tran.h
+++ b/libSBRdec/src/lpp_tran.h
@@ -2,7 +2,7 @@
/* -----------------------------------------------------------------------------------------------------------
Software License for The Fraunhofer FDK AAC Codec Library for Android
-© Copyright 1995 - 2013 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
+© Copyright 1995 - 2023 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
All rights reserved.
1. INTRODUCTION
@@ -175,7 +175,7 @@ typedef struct {
UCHAR lbStopPatching; /*!< first band that won't be patched anymore*/
UCHAR bwBorders[MAX_NUM_NOISE_VALUES]; /*!< spectral bands with different inverse filtering levels */
- PATCH_PARAM patchParam[MAX_NUM_PATCHES]; /*!< new parameter set for patching */
+ PATCH_PARAM patchParam[MAX_NUM_PATCHES + 1]; /*!< new parameter set for patching */
WHITENING_FACTORS whFactors; /*!< the pole moving factors for certain whitening levels as indicated
in the bitstream depending on the crossover frequency */
UCHAR overlap; /*!< Overlap size */

4
Patches/LineageOS-14.1/android_frameworks_base/248599.patch
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@ -14,10 +14,10 @@ Change-Id: Id0e16499a00e1f5cfb5bd4d9fb421f93bb283ee1
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
index 0f224dae3337..f6026a82ad72 100644
index ef6ce2503061..ebf2a890152a 100644
--- a/core/res/AndroidManifest.xml
+++ b/core/res/AndroidManifest.xml
@@ -1822,12 +1822,12 @@
@@ -1826,12 +1826,12 @@
android:protectionLevel="signature|privileged" />
<!-- Allows applications to set the system time zone.

117
Patches/LineageOS-14.1/android_frameworks_base/364029-backport.patch Normal file
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@ -0,0 +1,117 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jing Ji <jji@google.com>
Date: Tue, 25 Oct 2022 22:39:52 -0700
Subject: [PATCH] DO NOT MERGE: ActivityManager#killBackgroundProcesses can
kill caller's own app only
unless it's a system app.
Bug: 239423414
Bug: 223376078
Test: atest CtsAppTestCases:ActivityManagerTest
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:8b382775b258220466a977453905797521e159de)
Merged-In: Iac6baa889965b8ffecd9a43179a4c96632ad1d02
Change-Id: Iac6baa889965b8ffecd9a43179a4c96632ad1d02
---
core/java/android/app/ActivityManager.java | 3 ++
core/res/AndroidManifest.xml | 6 +++-
.../server/am/ActivityManagerService.java | 33 +++++++++++++++++--
3 files changed, 39 insertions(+), 3 deletions(-)
diff --git a/core/java/android/app/ActivityManager.java b/core/java/android/app/ActivityManager.java
index da7d711194de..9f6e25c74386 100644
--- a/core/java/android/app/ActivityManager.java
+++ b/core/java/android/app/ActivityManager.java
@@ -3160,6 +3160,9 @@ public class ActivityManager {
* processes to reclaim memory; the system will take care of restarting
* these processes in the future as needed.
*
+ * <p class="note">Third party applications can only use this API to kill their own processes.
+ * </p>
+ *
* <p>You must hold the permission
* {@link android.Manifest.permission#KILL_BACKGROUND_PROCESSES} to be able to
* call this method.
diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
index 0f224dae3337..ef6ce2503061 100644
--- a/core/res/AndroidManifest.xml
+++ b/core/res/AndroidManifest.xml
@@ -1741,7 +1741,11 @@
android:protectionLevel="normal" />
<!-- Allows an application to call
- {@link android.app.ActivityManager#killBackgroundProcesses}.
+ {@link android.app.ActivityManager#killBackgroundProcesses}.
+
+ <p class="note">Third party applications can only use this API to kill their own
+ processes.</p>
+
<p>Protection level: normal
-->
<permission android:name="android.permission.KILL_BACKGROUND_PROCESSES"
diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java
index 8f26804d51bd..da42b976db9d 100644
--- a/services/core/java/com/android/server/am/ActivityManagerService.java
+++ b/services/core/java/com/android/server/am/ActivityManagerService.java
@@ -277,6 +277,7 @@ import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY;
import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES;
import static android.content.pm.PackageManager.PERMISSION_GRANTED;
import static android.content.res.Configuration.UI_MODE_TYPE_TELEVISION;
+import static android.os.Process.FIRST_APPLICATION_UID;
import static android.os.Process.PROC_CHAR;
import static android.os.Process.PROC_OUT_LONG;
import static android.os.Process.PROC_PARENS;
@@ -5819,8 +5820,20 @@ public final class ActivityManagerService extends ActivityManagerNative
Slog.w(TAG, msg);
throw new SecurityException(msg);
}
+ final int callingUid = Binder.getCallingUid();
+ final int callingPid = Binder.getCallingPid();
+ final int callingAppId = UserHandle.getAppId(callingUid);
- userId = mUserController.handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(),
+ ProcessRecord proc;
+ synchronized (mPidsSelfLocked) {
+ proc = mPidsSelfLocked.get(callingPid);
+ }
+ final boolean hasKillAllPermission = PERMISSION_GRANTED == checkPermission(
+ android.Manifest.permission.FORCE_STOP_PACKAGES, callingPid, callingUid)
+ || (UserHandle.getAppId(callingUid) > 0 && UserHandle.getAppId(callingUid) < Process.FIRST_APPLICATION_UID)
+ || (proc != null && proc.info.isSystemApp());
+
+ userId = mUserController.handleIncomingUser(callingPid, callingUid,
userId, true, ALLOW_FULL_ONLY, "killBackgroundProcesses", null);
long callingId = Binder.clearCallingIdentity();
try {
@@ -5832,7 +5845,7 @@ public final class ActivityManagerService extends ActivityManagerNative
pm.getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId));
} catch (RemoteException e) {
}
- if (appId == -1) {
+ if (appId == -1 || (!hasKillAllPermission && appId != callingAppId)) {
Slog.w(TAG, "Invalid packageName: " + packageName);
return;
}
@@ -5912,6 +5925,22 @@ public final class ActivityManagerService extends ActivityManagerNative
throw new SecurityException(msg);
}
+ final int callingUid = Binder.getCallingUid();
+ final int callingPid = Binder.getCallingPid();
+
+ ProcessRecord proc;
+ synchronized (mPidsSelfLocked) {
+ proc = mPidsSelfLocked.get(callingPid);
+ }
+ if (callingUid >= FIRST_APPLICATION_UID
+ && (proc == null || !proc.info.isSystemApp())) {
+ final String msg = "Permission Denial: killAllBackgroundProcesses() from pid="
+ + callingPid + ", uid=" + callingUid + " is not allowed";
+ Slog.w(TAG, msg);
+ // Silently return to avoid existing apps from crashing.
+ return;
+ }
+
final long callingId = Binder.clearCallingIdentity();
try {
synchronized (this) {

230
Patches/LineageOS-14.1/android_frameworks_base/364033-backport.patch Normal file
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@ -0,0 +1,230 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Pavel Grafov <pgrafov@google.com>
Date: Wed, 5 Apr 2023 15:15:41 +0000
Subject: [PATCH] Ensure policy has no absurdly long strings
The following APIs now enforce limits and throw IllegalArgumentException
when limits are violated:
* DPM.setTrustAgentConfiguration() limits agent packgage name,
component name, and strings within configuration bundle.
* DPM.setPermittedAccessibilityServices() limits package names.
* DPM.setPermittedInputMethods() limits package names.
* DPM.setAccountManagementDisabled() limits account name.
* DPM.setLockTaskPackages() limits package names.
* DPM.setAffiliationIds() limits id.
* DPM.transferOwnership() limits strings inside the bundle.
Package names are limited at 223, because they become directory names
and it is a filesystem restriction, see FrameworkParsingPackageUtils.
All other strings are limited at 65535, because longer ones break binary
XML serializer.
The following APIs silently truncate strings that are long beyond reason:
* DPM.setShortSupportMessage() truncates message at 200.
* DPM.setLongSupportMessage() truncates message at 20000.
* DPM.setOrganizationName() truncates org name at 200.
Bug: 260729089
Test: atest com.android.server.devicepolicy
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:bb7e82ceaa6d16267e7b0e14563161b506d26be8)
Merged-In: Idcf54e408722f164d16bf2f24a00cd1f5b626d23
Change-Id: Idcf54e408722f164d16bf2f24a00cd1f5b626d23
---
.../app/admin/DevicePolicyManager.java | 3 +-
.../DevicePolicyManagerService.java | 87 +++++++++++++++++++
2 files changed, 89 insertions(+), 1 deletion(-)
diff --git a/core/java/android/app/admin/DevicePolicyManager.java b/core/java/android/app/admin/DevicePolicyManager.java
index 592026cda79b..a718b3e520dc 100644
--- a/core/java/android/app/admin/DevicePolicyManager.java
+++ b/core/java/android/app/admin/DevicePolicyManager.java
@@ -6046,7 +6046,8 @@ public class DevicePolicyManager {
/**
* Called by a device admin to set the long support message. This will be displayed to the user
- * in the device administators settings screen.
+ * in the device administrators settings screen. If the message is longer than 20000 characters
+ * it may be truncated.
* <p>
* If the long support message needs to be localized, it is the responsibility of the
* {@link DeviceAdminReceiver} to listen to the {@link Intent#ACTION_LOCALE_CHANGED} broadcast
diff --git a/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java b/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java
index fe0ee096d303..af982a1a0724 100644
--- a/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java
+++ b/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java
@@ -171,12 +171,14 @@ import java.security.cert.CertificateException;
import java.security.cert.CertificateFactory;
import java.security.cert.X509Certificate;
import java.text.DateFormat;
+import java.util.ArrayDeque;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Date;
import java.util.List;
import java.util.Map.Entry;
+import java.util.Queue;
import java.util.Set;
import java.util.concurrent.atomic.AtomicBoolean;
@@ -214,6 +216,15 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub {
private static final int REQUEST_EXPIRE_PASSWORD = 5571;
+ // Binary XML serializer doesn't support longer strings
+ private static final int MAX_POLICY_STRING_LENGTH = 65535;
+ // FrameworkParsingPackageUtils#MAX_FILE_NAME_SIZE, Android packages are used in dir names.
+ private static final int MAX_PACKAGE_NAME_LENGTH = 223;
+
+ private static final int MAX_LONG_SUPPORT_MESSAGE_LENGTH = 20000;
+ private static final int MAX_SHORT_SUPPORT_MESSAGE_LENGTH = 200;
+ private static final int MAX_ORG_NAME_LENGTH = 200;
+
private static final long MS_PER_DAY = 86400 * 1000;
private static final long EXPIRATION_GRACE_PERIOD_MS = 5 * MS_PER_DAY; // 5 days, in ms
@@ -6890,6 +6901,12 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub {
}
Preconditions.checkNotNull(admin, "admin is null");
Preconditions.checkNotNull(agent, "agent is null");
+ enforceMaxPackageNameLength(agent.getPackageName());
+ final String agentAsString = agent.flattenToString();
+ enforceMaxStringLength(agentAsString, "agent name");
+ if (args != null) {
+ enforceMaxStringLength(args, "args");
+ }
final int userHandle = UserHandle.getCallingUserId();
synchronized (this) {
ActiveAdmin ap = getActiveAdminForCallerLocked(admin,
@@ -7091,6 +7108,10 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub {
Preconditions.checkNotNull(who, "ComponentName is null");
if (packageList != null) {
+ for (String pkg : (List<String>) packageList) {
+ enforceMaxPackageNameLength(pkg);
+ }
+
int userId = UserHandle.getCallingUserId();
List<AccessibilityServiceInfo> enabledServices = null;
long id = mInjector.binderClearCallingIdentity();
@@ -7272,6 +7293,10 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub {
}
if (packageList != null) {
+ for (String pkg : (List<String>) packageList) {
+ enforceMaxPackageNameLength(pkg);
+ }
+
// InputMethodManager fetches input methods for current user.
// So this can only be set when calling user is the current user
// or parent is current user in case of managed profiles.
@@ -7820,6 +7845,7 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub {
return;
}
Preconditions.checkNotNull(who, "ComponentName is null");
+ enforceMaxStringLength(accountType, "account type");
synchronized (this) {
ActiveAdmin ap = getActiveAdminForCallerLocked(who,
DeviceAdminInfo.USES_POLICY_PROFILE_OWNER);
@@ -8089,6 +8115,10 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub {
public void setLockTaskPackages(ComponentName who, String[] packages)
throws SecurityException {
Preconditions.checkNotNull(who, "ComponentName is null");
+ for (String pkg : packages) {
+ enforceMaxPackageNameLength(pkg);
+ }
+
synchronized (this) {
ActiveAdmin deviceOwner = getActiveAdminWithPolicyForUidLocked(
who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER, mInjector.binderGetCallingUid());
@@ -8956,6 +8986,9 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub {
if (!mHasFeature) {
return;
}
+
+ message = truncateIfLonger(message, MAX_LONG_SUPPORT_MESSAGE_LENGTH);
+
Preconditions.checkNotNull(who, "ComponentName is null");
final int userHandle = mInjector.userHandleGetCallingUserId();
synchronized (this) {
@@ -8987,6 +9020,8 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub {
return;
}
Preconditions.checkNotNull(who, "ComponentName is null");
+ message = truncateIfLonger(message, MAX_SHORT_SUPPORT_MESSAGE_LENGTH);
+
final int userHandle = mInjector.userHandleGetCallingUserId();
synchronized (this) {
ActiveAdmin admin = getActiveAdminForUidLocked(who,
@@ -9004,6 +9039,7 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub {
return null;
}
Preconditions.checkNotNull(who, "ComponentName is null");
+
synchronized (this) {
ActiveAdmin admin = getActiveAdminForUidLocked(who,
mInjector.binderGetCallingUid());
@@ -9114,6 +9150,9 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub {
}
Preconditions.checkNotNull(who, "ComponentName is null");
final int userHandle = mInjector.userHandleGetCallingUserId();
+
+ text = truncateIfLonger(text, MAX_ORG_NAME_LENGTH);
+
enforceManagedProfile(userHandle, "set organization name");
synchronized (this) {
ActiveAdmin admin = getActiveAdminForCallerLocked(who,
@@ -9697,4 +9736,52 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub {
mInjector.getNotificationManager().notify(NETWORK_LOGGING_NOTIFICATION_ID, notification);
saveSettingsLocked(mOwners.getDeviceOwnerUserId());
}
+
+
+ /**
+ * Truncates char sequence to maximum length, nulls are ignored.
+ */
+ private static CharSequence truncateIfLonger(CharSequence input, int maxLength) {
+ return input == null || input.length() <= maxLength
+ ? input
+ : input.subSequence(0, maxLength);
+ }
+
+ /**
+ * Throw if string argument is too long to be serialized.
+ */
+ private static void enforceMaxStringLength(String str, String argName) {
+ Preconditions.checkArgument(
+ str.length() <= MAX_POLICY_STRING_LENGTH, argName + " loo long");
+ }
+
+ private static void enforceMaxPackageNameLength(String pkg) {
+ Preconditions.checkArgument(
+ pkg.length() <= MAX_PACKAGE_NAME_LENGTH, "Package name too long");
+ }
+
+ /**
+ * Throw if persistable bundle contains any string that we can't serialize.
+ */
+ private static void enforceMaxStringLength(PersistableBundle bundle, String argName) {
+ // Persistable bundles can have other persistable bundles as values, traverse with a queue.
+ Queue<PersistableBundle> queue = new ArrayDeque<>();
+ queue.add(bundle);
+ while (!queue.isEmpty()) {
+ PersistableBundle current = queue.remove();
+ for (String key : current.keySet()) {
+ enforceMaxStringLength(key, "key in " + argName);
+ Object value = current.get(key);
+ if (value instanceof String) {
+ enforceMaxStringLength((String) value, "string value in " + argName);
+ } else if (value instanceof String[]) {
+ for (String str : (String[]) value) {
+ enforceMaxStringLength(str, "string value in " + argName);
+ }
+ } else if (value instanceof PersistableBundle) {
+ queue.add((PersistableBundle) value);
+ }
+ }
+ }
+ }
}

141
Patches/LineageOS-14.1/android_frameworks_base/364036-backport.patch Normal file
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@ -0,0 +1,141 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Michael Mikhail <michaelmikhil@google.com>
Date: Fri, 28 Apr 2023 16:17:16 +0000
Subject: [PATCH] Verify URI permissions in MediaMetadata
Add a check for URI permission to make sure that user can access the URI
set in MediaMetadata. If permission is denied, clear the URI string set
in metadata.
Bug: 271851153
Test: atest MediaSessionTest
Test: Verified by POC app attached in bug, image of second user is not
the UMO background of the first user.
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:f95b7fc61d6b3bf49420ded0357bec031f8cbdcf)
Merged-In: I384f8e230c909d8fc8e5f147e2fd3558fec44626
Change-Id: I384f8e230c909d8fc8e5f147e2fd3558fec44626
---
.../server/media/MediaSessionRecord.java | 63 ++++++++++++++++---
1 file changed, 54 insertions(+), 9 deletions(-)
diff --git a/services/core/java/com/android/server/media/MediaSessionRecord.java b/services/core/java/com/android/server/media/MediaSessionRecord.java
index b65e74d219cb..1c68b95517f1 100644
--- a/services/core/java/com/android/server/media/MediaSessionRecord.java
+++ b/services/core/java/com/android/server/media/MediaSessionRecord.java
@@ -16,7 +16,12 @@
package com.android.server.media;
+import android.app.ActivityManager;
+import android.app.ActivityManagerNative;
+import android.app.IActivityManager;
import android.app.PendingIntent;
+import android.content.ContentProvider;
+import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ParceledListSlice;
@@ -48,6 +53,7 @@ import android.os.Message;
import android.os.RemoteException;
import android.os.ResultReceiver;
import android.os.SystemClock;
+import android.text.TextUtils;
import android.util.Log;
import android.util.Slog;
import android.view.KeyEvent;
@@ -63,6 +69,10 @@ import java.util.ArrayList;
*/
public class MediaSessionRecord implements IBinder.DeathRecipient {
private static final String TAG = "MediaSessionRecord";
+ private static final String[] ART_URIS = new String[] {
+ MediaMetadata.METADATA_KEY_ALBUM_ART_URI,
+ MediaMetadata.METADATA_KEY_ART_URI,
+ MediaMetadata.METADATA_KEY_DISPLAY_ICON_URI};
private static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG);
/**
@@ -90,6 +100,7 @@ public class MediaSessionRecord implements IBinder.DeathRecipient {
private final SessionStub mSession;
private final SessionCb mSessionCb;
private final MediaSessionService mService;
+ final IActivityManager mAm;
private final Object mLock = new Object();
private final ArrayList<ISessionControllerCallback> mControllerCallbacks =
@@ -145,6 +156,7 @@ public class MediaSessionRecord implements IBinder.DeathRecipient {
mAudioManager = (AudioManager) service.getContext().getSystemService(Context.AUDIO_SERVICE);
mAudioManagerInternal = LocalServices.getService(AudioManagerInternal.class);
mAudioAttrs = new AudioAttributes.Builder().setUsage(AudioAttributes.USAGE_MEDIA).build();
+ mAm = ActivityManagerNative.getDefault();
}
/**
@@ -211,6 +223,15 @@ public class MediaSessionRecord implements IBinder.DeathRecipient {
return (mFlags & flag) != 0;
}
+ /**
+ * Get the UID this session was created for.
+ *
+ * @return The UID for this session.
+ */
+ public int getUid() {
+ return mOwnerUid;
+ }
+
/**
* Get the user id this session was created for.
*
@@ -856,19 +877,43 @@ public class MediaSessionRecord implements IBinder.DeathRecipient {
@Override
public void setMetadata(MediaMetadata metadata) {
synchronized (mLock) {
- MediaMetadata temp = metadata == null ? null : new MediaMetadata.Builder(metadata)
- .build();
- // This is to guarantee that the underlying bundle is unparceled
- // before we set it to prevent concurrent reads from throwing an
- // exception
- if (temp != null) {
- temp.size();
- }
- mMetadata = temp;
+ mMetadata = sanitizeMediaMetadata(metadata);
}
mHandler.post(MessageHandler.MSG_UPDATE_METADATA);
}
+ private MediaMetadata sanitizeMediaMetadata(MediaMetadata metadata) {
+ if (metadata == null) {
+ return null;
+ }
+ MediaMetadata.Builder metadataBuilder = new MediaMetadata.Builder(metadata);
+ for (String key: ART_URIS) {
+ String uriString = metadata.getString(key);
+ if (TextUtils.isEmpty(uriString)) {
+ continue;
+ }
+ Uri uri = Uri.parse(uriString);
+ if (!ContentResolver.SCHEME_CONTENT.equals(uri.getScheme())) {
+ continue;
+ }
+ try {
+ mAm.checkGrantUriPermission(getUid(),
+ getPackageName(),
+ ContentProvider.getUriWithoutUserId(uri),
+ Intent.FLAG_GRANT_READ_URI_PERMISSION,
+ ContentProvider.getUserIdFromUri(uri, getUserId()));
+ } catch (RemoteException | SecurityException e) {
+ metadataBuilder.putString(key, null);
+ }
+ }
+ MediaMetadata sanitizedMetadata = metadataBuilder.build();
+ // sanitizedMetadata.size() guarantees that the underlying bundle is unparceled
+ // before we set it to prevent concurrent reads from throwing an
+ // exception
+ sanitizedMetadata.size();
+ return sanitizedMetadata;
+ }
+
@Override
public void setPlaybackState(PlaybackState state) {
int oldState = mPlaybackState == null ? 0 : mPlaybackState.getState();

55
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@ -0,0 +1,55 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Chandru S <chandruis@google.com>
Date: Tue, 16 May 2023 10:41:07 -0700
Subject: [PATCH] Use Settings.System.getIntForUser instead of getInt to make
sure user specific settings are used
Bug: 265431505
Test: atest KeyguardViewMediatorTest
(cherry picked from commit 625e009fc195ba5d658ca2d78ebb23d2770cc6c4)
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:ce6510deba06bcb72a0e468294b483fc4ac4be17)
Merged-In: I66a660c091c90a957a0fd1e144c013840db3f47e
Change-Id: I66a660c091c90a957a0fd1e144c013840db3f47e
---
.../systemui/keyguard/KeyguardViewMediator.java | 13 ++++++++-----
1 file changed, 8 insertions(+), 5 deletions(-)
diff --git a/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java b/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java
index 45bc0ea0e2b8..2c6e1003df9e 100755
--- a/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java
+++ b/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java
@@ -854,9 +854,9 @@ public class KeyguardViewMediator extends SystemUI {
final ContentResolver cr = mContext.getContentResolver();
// From SecuritySettings
- final long lockAfterTimeout = Settings.Secure.getInt(cr,
+ final long lockAfterTimeout = Settings.Secure.getIntForUser(cr,
Settings.Secure.LOCK_SCREEN_LOCK_AFTER_TIMEOUT,
- KEYGUARD_LOCK_AFTER_DELAY_DEFAULT);
+ KEYGUARD_LOCK_AFTER_DELAY_DEFAULT, userId);
// From DevicePolicyAdmin
final long policyTimeout = mLockPatternUtils.getDevicePolicyManager()
@@ -868,8 +868,8 @@ public class KeyguardViewMediator extends SystemUI {
timeout = lockAfterTimeout;
} else {
// From DisplaySettings
- long displayTimeout = Settings.System.getInt(cr, SCREEN_OFF_TIMEOUT,
- KEYGUARD_DISPLAY_TIMEOUT_DELAY_DEFAULT);
+ long displayTimeout = Settings.System.getIntForUser(cr, SCREEN_OFF_TIMEOUT,
+ KEYGUARD_DISPLAY_TIMEOUT_DELAY_DEFAULT, userId);
// policy in effect. Make sure we don't go beyond policy limit.
displayTimeout = Math.max(displayTimeout, 0); // ignore negative values
@@ -1654,7 +1654,10 @@ public class KeyguardViewMediator extends SystemUI {
private void playSound(int soundId) {
if (soundId == 0) return;
final ContentResolver cr = mContext.getContentResolver();
- if (Settings.System.getInt(cr, Settings.System.LOCKSCREEN_SOUNDS_ENABLED, 1) == 1) {
+ int lockscreenSoundsEnabled = Settings.System.getIntForUser(cr,
+ Settings.System.LOCKSCREEN_SOUNDS_ENABLED, 1,
+ KeyguardUpdateMonitor.getCurrentUser());
+ if (lockscreenSoundsEnabled == 1) {
mLockSounds.stop(mLockSoundStreamId);
// Init mAudioManager

126
Patches/LineageOS-14.1/android_frameworks_base/364038-backport.patch Normal file
View File

@ -0,0 +1,126 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Pranav Madapurmath <pmadapurmath@google.com>
Date: Thu, 25 May 2023 21:58:19 +0000
Subject: [PATCH] Resolve StatusHints image exploit across user.
Because of the INTERACT_ACROSS_USERS permission, an app that implements
a ConnectionService can upload an image icon belonging to another user
by setting it in the StatusHints. Validating the construction of the
StatusHints on the calling user would prevent a malicious app from
registering a connection service with the embedded image icon from a
different user.
From additional feedback, this CL also addresses potential
vulnerabilities in an app being able to directly invoke the binder for a
means to manipulate the contents of the bundle that are passed with it.
The targeted points of entry are in ConnectionServiceWrapper for the
following APIs: handleCreateConnectionComplete, setStatusHints,
addConferenceCall, and addExistingConnection.
Fixes: 280797684
Test: Manual (verified that original exploit is no longer an issue).
Test: Unit test for validating image in StatusHints constructor.
Test: Unit tests to address vulnerabilities via the binder.
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:48223d6034907349c6a3fab3018c1b37d86367af)
Merged-In: I6e70e238b3a5ace1cab41ec5796a6bb4d79769f2
Change-Id: I6e70e238b3a5ace1cab41ec5796a6bb4d79769f2
---
.../java/android/telecom/StatusHints.java | 53 ++++++++++++++++++-
1 file changed, 51 insertions(+), 2 deletions(-)
diff --git a/telecomm/java/android/telecom/StatusHints.java b/telecomm/java/android/telecom/StatusHints.java
index 453f408bedba..c75bd2781f9f 100644
--- a/telecomm/java/android/telecom/StatusHints.java
+++ b/telecomm/java/android/telecom/StatusHints.java
@@ -16,14 +16,19 @@
package android.telecom;
+import android.annotation.Nullable;
import android.annotation.SystemApi;
import android.content.ComponentName;
import android.content.Context;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.Icon;
+import android.os.Binder;
import android.os.Bundle;
import android.os.Parcel;
import android.os.Parcelable;
+import android.os.UserHandle;
+
+import com.android.internal.annotations.VisibleForTesting;
import java.util.Objects;
@@ -33,7 +38,7 @@ import java.util.Objects;
public final class StatusHints implements Parcelable {
private final CharSequence mLabel;
- private final Icon mIcon;
+ private Icon mIcon;
private final Bundle mExtras;
/**
@@ -48,10 +53,30 @@ public final class StatusHints implements Parcelable {
public StatusHints(CharSequence label, Icon icon, Bundle extras) {
mLabel = label;
- mIcon = icon;
+ mIcon = validateAccountIconUserBoundary(icon, Binder.getCallingUserHandle());
mExtras = extras;
}
+ /**
+ * @param icon
+ * @hide
+ */
+ @VisibleForTesting
+ public StatusHints(@Nullable Icon icon) {
+ mLabel = null;
+ mExtras = null;
+ mIcon = icon;
+ }
+
+ /**
+ *
+ * @param icon
+ * @hide
+ */
+ public void setIcon(@Nullable Icon icon) {
+ mIcon = icon;
+ }
+
/**
* @return A package used to load the icon.
*
@@ -112,6 +137,30 @@ public final class StatusHints implements Parcelable {
return 0;
}
+ /**
+ * Validates the StatusHints image icon to see if it's not in the calling user space.
+ * Invalidates the icon if so, otherwise returns back the original icon.
+ *
+ * @param icon
+ * @return icon (validated)
+ * @hide
+ */
+ public static Icon validateAccountIconUserBoundary(Icon icon, UserHandle callingUserHandle) {
+ // Refer to Icon#getUriString for context. The URI string is invalid for icons of
+ // incompatible types.
+ if (icon != null && (icon.getType() == Icon.TYPE_URI
+ /*|| icon.getType() == Icon.TYPE_URI_ADAPTIVE_BITMAP*/)) {
+ String encodedUser = icon.getUri().getEncodedUserInfo();
+ // If there is no encoded user, the URI is calling into the calling user space
+ if (encodedUser != null) {
+ int userId = Integer.parseInt(encodedUser);
+ // Do not try to save the icon if the user id isn't in the calling user space.
+ if (userId != callingUserHandle.getIdentifier()) return null;
+ }
+ }
+ return icon;
+ }
+
@Override
public void writeToParcel(Parcel out, int flags) {
out.writeCharSequence(mLabel);

40
Patches/LineageOS-14.1/android_packages_providers_TelephonyProvider/364040-backport.patch Normal file
View File

@ -0,0 +1,40 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aishwarya Mallampati <amallampati@google.com>
Date: Wed, 10 May 2023 21:54:43 +0000
Subject: [PATCH] Update file permissions using canonical path
Bug: 264880895
Bug: 264880689
Test: atest android.telephonyprovider.cts.MmsPartTest
atest CtsTelephonyTestCases
Sanity check - sending and receiving sms and mms manually
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:6743638a096c32627f398efd2ea78f08b8a2db8c)
Merged-In: I8dd888ea31ec07c9f0de38eb8e8170d3ed255686
Change-Id: I8dd888ea31ec07c9f0de38eb8e8170d3ed255686
---
src/com/android/providers/telephony/MmsProvider.java | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/src/com/android/providers/telephony/MmsProvider.java b/src/com/android/providers/telephony/MmsProvider.java
index 88f8f376..ba057828 100755
--- a/src/com/android/providers/telephony/MmsProvider.java
+++ b/src/com/android/providers/telephony/MmsProvider.java
@@ -1005,15 +1005,16 @@ public class MmsProvider extends ContentProvider {
String path = getContext().getDir(PARTS_DIR_NAME, 0).getPath() + '/' +
uri.getPathSegments().get(1);
try {
+ File canonicalFile = new File(path).getCanonicalFile();
String partsDirPath = getContext().getDir(PARTS_DIR_NAME, 0).getCanonicalPath();
- if (!new File(path).getCanonicalPath().startsWith(partsDirPath)) {
+ if (!canonicalFile.getPath().startsWith(partsDirPath + '/')) {
EventLog.writeEvent(0x534e4554, "240685104",
Binder.getCallingUid(), (TAG + " update: path " + path +
" does not start with " + partsDirPath));
return 0;
}
// Reset the file permission back to read for everyone but me.
- Os.chmod(path, 0644);
+ Os.chmod(canonicalFile.getPath(), 0644);
if (LOCAL_LOGV) {
Log.d(TAG, "MmsProvider.update chmod is successful for path: " + path);
}

638
Patches/LineageOS-14.1/android_packages_services_Telecomm/364041-backport.patch Normal file
View File

@ -0,0 +1,638 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Pranav Madapurmath <pmadapurmath@google.com>
Date: Thu, 25 May 2023 20:49:21 +0000
Subject: [PATCH] Resolve StatusHints image exploit across user.
Because of the INTERACT_ACROSS_USERS permission, an app that implements
a ConnectionService can upload an image icon belonging to another user
by setting it in the StatusHints. Validating the construction of the
StatusHints on the calling user would prevent a malicious app from
registering a connection service with the embedded image icon from a
different user.
From additional feedback, this CL also addresses potential
vulnerabilities in an app being able to directly invoke the binder for a
means to manipulate the contents of the bundle that are passed with it.
The targeted points of entry are in ConnectionServiceWrapper for the
following APIs: handleCreateConnectionComplete, setStatusHints,
addConferenceCall, and addExistingConnection.
Fixes: 280797684
Test: Manual (verified that original exploit is no longer an issue).
Test: Unit test for validating image in StatusHints constructor.
Test: Unit tests to address vulnerabilities via the binder.
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:49d19dd265bee669b230efa29bf98c83650efea6)
Merged-In: Ie1f6a8866d31d5f1099dd0630cf8e9ee782d389c
Change-Id: Ie1f6a8866d31d5f1099dd0630cf8e9ee782d389c
---
.../telecom/ConnectionServiceWrapper.java | 32 ++++
.../server/telecom/tests/BasicCallTests.java | 161 +++++++++++++++++-
.../server/telecom/tests/CallExtrasTest.java | 6 +-
.../tests/ConnectionServiceFixture.java | 21 ++-
.../telecom/tests/TelecomSystemTest.java | 63 ++++---
.../server/telecom/tests/VideoCallTests.java | 6 +-
6 files changed, 257 insertions(+), 32 deletions(-)
diff --git a/src/com/android/server/telecom/ConnectionServiceWrapper.java b/src/com/android/server/telecom/ConnectionServiceWrapper.java
index f0401340b..400abe46b 100644
--- a/src/com/android/server/telecom/ConnectionServiceWrapper.java
+++ b/src/com/android/server/telecom/ConnectionServiceWrapper.java
@@ -19,6 +19,7 @@ package com.android.server.telecom;
import android.app.AppOpsManager;
import android.content.ComponentName;
import android.content.Context;
+import android.graphics.drawable.Icon;
import android.net.Uri;
import android.os.Binder;
import android.os.Bundle;
@@ -69,10 +70,17 @@ public class ConnectionServiceWrapper extends ServiceBinder {
public void handleCreateConnectionComplete(String callId, ConnectionRequest request,
ParcelableConnection connection) {
Log.startSession(Log.Sessions.CSW_HANDLE_CREATE_CONNECTION_COMPLETE);
+ UserHandle callingUserHandle = Binder.getCallingUserHandle();
long token = Binder.clearCallingIdentity();
try {
synchronized (mLock) {
logIncoming("handleCreateConnectionComplete %s", callId);
+ // Check status hints image for cross user access
+ if (connection.getStatusHints() != null) {
+ Icon icon = connection.getStatusHints().getIcon();
+ connection.getStatusHints().setIcon(StatusHints.
+ validateAccountIconUserBoundary(icon, callingUserHandle));
+ }
ConnectionServiceWrapper.this
.handleCreateConnectionComplete(callId, request, connection);
}
@@ -357,6 +365,15 @@ public class ConnectionServiceWrapper extends ServiceBinder {
@Override
public void addConferenceCall(String callId, ParcelableConference parcelableConference) {
Log.startSession(Log.Sessions.CSW_ADD_CONFERENCE_CALL);
+
+ UserHandle callingUserHandle = Binder.getCallingUserHandle();
+ // Check status hints image for cross user access
+ if (parcelableConference.getStatusHints() != null) {
+ Icon icon = parcelableConference.getStatusHints().getIcon();
+ parcelableConference.getStatusHints().setIcon(StatusHints.
+ validateAccountIconUserBoundary(icon, callingUserHandle));
+ }
+
long token = Binder.clearCallingIdentity();
try {
synchronized (mLock) {
@@ -537,10 +554,17 @@ public class ConnectionServiceWrapper extends ServiceBinder {
@Override
public void setStatusHints(String callId, StatusHints statusHints) {
Log.startSession("CSW.sSH");
+ UserHandle callingUserHandle = Binder.getCallingUserHandle();
long token = Binder.clearCallingIdentity();
try {
synchronized (mLock) {
logIncoming("setStatusHints %s %s", callId, statusHints);
+ // Check status hints image for cross user access
+ if (statusHints != null) {
+ Icon icon = statusHints.getIcon();
+ statusHints.setIcon(StatusHints.validateAccountIconUserBoundary(
+ icon, callingUserHandle));
+ }
Call call = mCallIdMapper.getCall(callId);
if (call != null) {
call.setStatusHints(statusHints);
@@ -706,6 +730,14 @@ public class ConnectionServiceWrapper extends ServiceBinder {
} else {
connectIdToCheck = callId;
}
+
+ // Check status hints image for cross user access
+ if (connection.getStatusHints() != null) {
+ Icon icon = connection.getStatusHints().getIcon();
+ connection.getStatusHints().setIcon(StatusHints.
+ validateAccountIconUserBoundary(icon, userHandle));
+ }
+
// Check to see if this Connection has already been added.
Call alreadyAddedConnection = mCallsManager
.getAlreadyAddedConnection(connectIdToCheck);
diff --git a/tests/src/com/android/server/telecom/tests/BasicCallTests.java b/tests/src/com/android/server/telecom/tests/BasicCallTests.java
index 6688ca0e9..10481a35a 100644
--- a/tests/src/com/android/server/telecom/tests/BasicCallTests.java
+++ b/tests/src/com/android/server/telecom/tests/BasicCallTests.java
@@ -16,6 +16,8 @@
package com.android.server.telecom.tests;
+import static com.android.server.telecom.tests.ConnectionServiceFixture.STATUS_HINTS_EXTRA;
+
import static org.mockito.Matchers.any;
import static org.mockito.Matchers.anyInt;
import static org.mockito.Matchers.anyString;
@@ -29,6 +31,8 @@ import static org.mockito.Mockito.when;
import android.content.Context;
import android.content.IContentProvider;
+import android.content.Intent;
+import android.graphics.drawable.Icon;
import android.media.AudioManager;
import android.net.Uri;
import android.os.Bundle;
@@ -44,11 +48,14 @@ import android.telecom.DisconnectCause;
import android.telecom.ParcelableCall;
import android.telecom.PhoneAccount;
import android.telecom.PhoneAccountHandle;
+import android.telecom.StatusHints;
import android.telecom.TelecomManager;
import android.telecom.VideoProfile;
import android.test.suitebuilder.annotation.LargeTest;
import android.test.suitebuilder.annotation.MediumTest;
+import androidx.test.filters.SmallTest;
+
import com.android.internal.telecom.IInCallAdapter;
import com.android.internal.telephony.CallerInfo;
import com.android.server.telecom.Log;
@@ -137,7 +144,7 @@ public class BasicCallTests extends TelecomSystemTest {
@LargeTest
public void testTelecomManagerAcceptRingingVideoCall() throws Exception {
IdPair ids = startIncomingPhoneCall("650-555-1212", mPhoneAccountA0.getAccountHandle(),
- VideoProfile.STATE_BIDIRECTIONAL, mConnectionServiceFixtureA);
+ VideoProfile.STATE_BIDIRECTIONAL, mConnectionServiceFixtureA, null);
assertEquals(Call.STATE_RINGING, mInCallServiceFixtureX.getCall(ids.mCallId).getState());
assertEquals(Call.STATE_RINGING, mInCallServiceFixtureY.getCall(ids.mCallId).getState());
@@ -165,7 +172,7 @@ public class BasicCallTests extends TelecomSystemTest {
@LargeTest
public void testTelecomManagerAcceptRingingVideoCallAsAudio() throws Exception {
IdPair ids = startIncomingPhoneCall("650-555-1212", mPhoneAccountA0.getAccountHandle(),
- VideoProfile.STATE_BIDIRECTIONAL, mConnectionServiceFixtureA);
+ VideoProfile.STATE_BIDIRECTIONAL, mConnectionServiceFixtureA, null);
assertEquals(Call.STATE_RINGING, mInCallServiceFixtureX.getCall(ids.mCallId).getState());
assertEquals(Call.STATE_RINGING, mInCallServiceFixtureY.getCall(ids.mCallId).getState());
@@ -192,7 +199,7 @@ public class BasicCallTests extends TelecomSystemTest {
@LargeTest
public void testTelecomManagerAcceptRingingInvalidVideoState() throws Exception {
IdPair ids = startIncomingPhoneCall("650-555-1212", mPhoneAccountA0.getAccountHandle(),
- VideoProfile.STATE_BIDIRECTIONAL, mConnectionServiceFixtureA);
+ VideoProfile.STATE_BIDIRECTIONAL, mConnectionServiceFixtureA, null);
assertEquals(Call.STATE_RINGING, mInCallServiceFixtureX.getCall(ids.mCallId).getState());
assertEquals(Call.STATE_RINGING, mInCallServiceFixtureY.getCall(ids.mCallId).getState());
@@ -543,12 +550,12 @@ public class BasicCallTests extends TelecomSystemTest {
@MediumTest
public void testBasicConferenceCall() throws Exception {
- makeConferenceCall();
+ makeConferenceCall(null, null);
}
@MediumTest
public void testAddCallToConference1() throws Exception {
- ParcelableCall conferenceCall = makeConferenceCall();
+ ParcelableCall conferenceCall = makeConferenceCall(null, null);
IdPair callId3 = startAndMakeActiveOutgoingCall("650-555-1214",
mPhoneAccountA0.getAccountHandle(), mConnectionServiceFixtureA);
// testAddCallToConference{1,2} differ in the order of arguments to InCallAdapter#conference
@@ -565,7 +572,7 @@ public class BasicCallTests extends TelecomSystemTest {
@MediumTest
public void testAddCallToConference2() throws Exception {
- ParcelableCall conferenceCall = makeConferenceCall();
+ ParcelableCall conferenceCall = makeConferenceCall(null, null);
IdPair callId3 = startAndMakeActiveOutgoingCall("650-555-1214",
mPhoneAccountA0.getAccountHandle(), mConnectionServiceFixtureA);
mInCallServiceFixtureX.getInCallAdapter()
@@ -843,4 +850,146 @@ public class BasicCallTests extends TelecomSystemTest {
assertEquals(mInCallServiceFixtureX.getCall(ids.mCallId).getAccountHandle(),
mPhoneAccountE1.getAccountHandle());
}
+
+
+ /**
+ * Verifies that StatusHints image is validated in ConnectionServiceWrapper#addConferenceCall
+ * when the image doesn't belong to the calling user. Simulates a scenario where an app
+ * could manipulate the contents of the bundle and send it via the binder to upload an image
+ * from another user.
+ *
+ * @throws Exception
+ */
+ @SmallTest
+ @Test
+ public void testValidateStatusHintsImage_addConferenceCall() throws Exception {
+ Intent callIntent1 = new Intent();
+ // Stub intent for call2
+ Intent callIntent2 = new Intent();
+ Bundle callExtras1 = new Bundle();
+ Icon icon = Icon.createWithContentUri("content://10@media/external/images/media/");
+ // Load StatusHints extra into TelecomManager.EXTRA_OUTGOING_CALL_EXTRAS to be processed
+ // as the call extras. This will be leveraged in ConnectionServiceFixture to set the
+ // StatusHints for the given connection.
+ StatusHints statusHints = new StatusHints(icon);
+ assertNotNull(statusHints.getIcon());
+ callExtras1.putParcelable(STATUS_HINTS_EXTRA, statusHints);
+ callIntent1.putExtra(TelecomManager.EXTRA_OUTGOING_CALL_EXTRAS, callExtras1);
+
+ // Start conference call to invoke ConnectionServiceWrapper#addConferenceCall.
+ // Note that the calling user would be User 0.
+ ParcelableCall conferenceCall = makeConferenceCall(callIntent1, callIntent2);
+
+ // Ensure that StatusHints was set.
+ assertNotNull(mInCallServiceFixtureX.getCall(mInCallServiceFixtureX.mLatestCallId)
+ .getStatusHints());
+ // Ensure that the StatusHints image icon was disregarded.
+ assertNull(mInCallServiceFixtureX.getCall(mInCallServiceFixtureX.mLatestCallId)
+ .getStatusHints().getIcon());
+ }
+
+ /**
+ * Verifies that StatusHints image is validated in
+ * ConnectionServiceWrapper#handleCreateConnectionComplete when the image doesn't belong to the
+ * calling user. Simulates a scenario where an app could manipulate the contents of the
+ * bundle and send it via the binder to upload an image from another user.
+ *
+ * @throws Exception
+ */
+ @SmallTest
+ @Test
+ public void testValidateStatusHintsImage_handleCreateConnectionComplete() throws Exception {
+ Bundle extras = new Bundle();
+ Icon icon = Icon.createWithContentUri("content://10@media/external/images/media/");
+ // Load the bundle with the test extra in order to simulate an app directly invoking the
+ // binder on ConnectionServiceWrapper#handleCreateConnectionComplete.
+ StatusHints statusHints = new StatusHints(icon);
+ assertNotNull(statusHints.getIcon());
+ extras.putParcelable(STATUS_HINTS_EXTRA, statusHints);
+
+ // Start incoming call with StatusHints extras
+ // Note that the calling user in ConnectionServiceWrapper#handleCreateConnectionComplete
+ // would be User 0.
+ IdPair ids = startIncomingPhoneCallWithExtras("650-555-1212",
+ mPhoneAccountA0.getAccountHandle(), mConnectionServiceFixtureA, extras);
+
+ // Ensure that StatusHints was set.
+ assertNotNull(mInCallServiceFixtureX.getCall(ids.mCallId).getStatusHints());
+ // Ensure that the StatusHints image icon was disregarded.
+ assertNull(mInCallServiceFixtureX.getCall(ids.mCallId).getStatusHints().getIcon());
+ }
+
+ /**
+ * Verifies that StatusHints image is validated in ConnectionServiceWrapper#setStatusHints
+ * when the image doesn't belong to the calling user. Simulates a scenario where an app
+ * could manipulate the contents of the bundle and send it via the binder to upload an image
+ * from another user.
+ *
+ * @throws Exception
+ */
+ @SmallTest
+ @Test
+ public void testValidateStatusHintsImage_setStatusHints() throws Exception {
+ IdPair outgoing = startAndMakeActiveOutgoingCall("650-555-1214",
+ mPhoneAccountA0.getAccountHandle(), mConnectionServiceFixtureA);
+
+ // Modify existing connection with StatusHints image exploit
+ Icon icon = Icon.createWithContentUri("content://10@media/external/images/media/");
+ StatusHints statusHints = new StatusHints(icon);
+ assertNotNull(statusHints.getIcon());
+ ConnectionServiceFixture.ConnectionInfo connectionInfo = mConnectionServiceFixtureA
+ .mConnectionById.get(outgoing.mConnectionId);
+ connectionInfo.statusHints = statusHints;
+
+ // Invoke ConnectionServiceWrapper#setStatusHints.
+ // Note that the calling user would be User 0.
+ mConnectionServiceFixtureA.sendSetStatusHints(outgoing.mConnectionId);
+ waitForHandlerAction(mConnectionServiceFixtureA.mConnectionServiceDelegate.getHandler(),
+ TEST_TIMEOUT);
+
+ // Ensure that StatusHints was set.
+ assertNotNull(mInCallServiceFixtureX.getCall(outgoing.mCallId).getStatusHints());
+ // Ensure that the StatusHints image icon was disregarded.
+ assertNull(mInCallServiceFixtureX.getCall(outgoing.mCallId)
+ .getStatusHints().getIcon());
+ }
+
+ /**
+ * Verifies that StatusHints image is validated in
+ * ConnectionServiceWrapper#addExistingConnection when the image doesn't belong to the calling
+ * user. Simulates a scenario where an app could manipulate the contents of the bundle and
+ * send it via the binder to upload an image from another user.
+ *
+ * @throws Exception
+ */
+ @SmallTest
+ @Test
+ public void testValidateStatusHintsImage_addExistingConnection() throws Exception {
+ IdPair outgoing = startAndMakeActiveOutgoingCall("650-555-1214",
+ mPhoneAccountA0.getAccountHandle(), mConnectionServiceFixtureA);
+ Connection existingConnection = mConnectionServiceFixtureA.mLatestConnection;
+
+ // Modify existing connection with StatusHints image exploit
+ Icon icon = Icon.createWithContentUri("content://10@media/external/images/media/");
+ StatusHints modifiedStatusHints = new StatusHints(icon);
+ assertNotNull(modifiedStatusHints.getIcon());
+ ConnectionServiceFixture.ConnectionInfo connectionInfo = mConnectionServiceFixtureA
+ .mConnectionById.get(outgoing.mConnectionId);
+ connectionInfo.statusHints = modifiedStatusHints;
+
+ // Invoke ConnectionServiceWrapper#addExistingConnection.
+ // Note that the calling user would be User 0.
+ mConnectionServiceFixtureA.sendAddExistingConnection(outgoing.mConnectionId);
+ waitForHandlerAction(mConnectionServiceFixtureA.mConnectionServiceDelegate.getHandler(),
+ TEST_TIMEOUT);
+
+ // Ensure that StatusHints was set. Due to test setup, the ParcelableConnection object that
+ // is passed into sendAddExistingConnection is instantiated on invocation. The call's
+ // StatusHints are not updated at the time of completion, so instead, we can verify that
+ // the ParcelableConnection object was modified.
+ assertNotNull(mConnectionServiceFixtureA.mLatestParcelableConnection.getStatusHints());
+ // Ensure that the StatusHints image icon was disregarded.
+ assertNull(mConnectionServiceFixtureA.mLatestParcelableConnection
+ .getStatusHints().getIcon());
+ }
}
diff --git a/tests/src/com/android/server/telecom/tests/CallExtrasTest.java b/tests/src/com/android/server/telecom/tests/CallExtrasTest.java
index e9cd73376..c82df24a6 100644
--- a/tests/src/com/android/server/telecom/tests/CallExtrasTest.java
+++ b/tests/src/com/android/server/telecom/tests/CallExtrasTest.java
@@ -323,7 +323,7 @@ public class CallExtrasTest extends TelecomSystemTest {
*/
@LargeTest
public void testConferenceSetExtras() throws Exception {
- ParcelableCall call = makeConferenceCall();
+ ParcelableCall call = makeConferenceCall(null, null);
String conferenceId = call.getId();
Conference conference = mConnectionServiceFixtureA.mLatestConference;
@@ -365,7 +365,7 @@ public class CallExtrasTest extends TelecomSystemTest {
*/
@LargeTest
public void testConferenceExtraOperations() throws Exception {
- ParcelableCall call = makeConferenceCall();
+ ParcelableCall call = makeConferenceCall(null, null);
String conferenceId = call.getId();
Conference conference = mConnectionServiceFixtureA.mLatestConference;
assertNotNull(conference);
@@ -400,7 +400,7 @@ public class CallExtrasTest extends TelecomSystemTest {
*/
@LargeTest
public void testConferenceICS() throws Exception {
- ParcelableCall call = makeConferenceCall();
++ ParcelableCall call = makeConferenceCall(null, null);
String conferenceId = call.getId();
Conference conference = mConnectionServiceFixtureA.mLatestConference;
diff --git a/tests/src/com/android/server/telecom/tests/ConnectionServiceFixture.java b/tests/src/com/android/server/telecom/tests/ConnectionServiceFixture.java
index 698da2667..c4ca7f6c0 100644
--- a/tests/src/com/android/server/telecom/tests/ConnectionServiceFixture.java
+++ b/tests/src/com/android/server/telecom/tests/ConnectionServiceFixture.java
@@ -65,6 +65,7 @@ public class ConnectionServiceFixture implements TestFixture<IConnectionService>
static int INVALID_VIDEO_STATE = -1;
public CountDownLatch mExtrasLock = new CountDownLatch(1);
static int NOT_SPECIFIED = 0;
+ public static final String STATUS_HINTS_EXTRA = "updateStatusHints";
/**
* Implementation of ConnectionService that performs no-ops for tasks normally meant for
@@ -95,6 +96,11 @@ public class ConnectionServiceFixture implements TestFixture<IConnectionService>
if (mProperties != NOT_SPECIFIED) {
fakeConnection.setConnectionProperties(mProperties);
}
+ // Testing for StatusHints image icon cross user access
+ if (request.getExtras() != null) {
+ fakeConnection.setStatusHints(
+ request.getExtras().getParcelable(STATUS_HINTS_EXTRA));
+ }
return fakeConnection;
}
@@ -111,6 +117,11 @@ public class ConnectionServiceFixture implements TestFixture<IConnectionService>
if (mProperties != NOT_SPECIFIED) {
fakeConnection.setConnectionProperties(mProperties);
}
+ // Testing for StatusHints image icon cross user access
+ if (request.getExtras() != null) {
+ fakeConnection.setStatusHints(
+ request.getExtras().getParcelable(STATUS_HINTS_EXTRA));
+ }
return fakeConnection;
}
@@ -123,6 +134,12 @@ public class ConnectionServiceFixture implements TestFixture<IConnectionService>
Conference fakeConference = new FakeConference();
fakeConference.addConnection(cxn1);
fakeConference.addConnection(cxn2);
+ if (cxn1.getStatusHints() != null || cxn2.getStatusHints() != null) {
+ // For testing purposes, pick one of the status hints that isn't null.
+ StatusHints statusHints = cxn1.getStatusHints() != null
+ ? cxn1.getStatusHints() : cxn2.getStatusHints();
+ fakeConference.setStatusHints(statusHints);
+ }
mLatestConference = fakeConference;
addConference(fakeConference);
} else {
@@ -367,6 +384,7 @@ public class ConnectionServiceFixture implements TestFixture<IConnectionService>
public String mLatestConnectionId;
public Connection mLatestConnection;
+ public ParcelableConnection mLatestParcelableConnection;
public Conference mLatestConference;
public final Set<IConnectionServiceAdapter> mConnectionServiceAdapters = new HashSet<>();
public final Map<String, ConnectionInfo> mConnectionById = new HashMap<>();
@@ -593,7 +611,7 @@ public class ConnectionServiceFixture implements TestFixture<IConnectionService>
}
private ParcelableConnection parcelable(ConnectionInfo c) {
- return new ParcelableConnection(
+ mLatestParcelableConnection = new ParcelableConnection(
c.request.getAccountHandle(),
c.state,
c.capabilities,
@@ -612,5 +630,6 @@ public class ConnectionServiceFixture implements TestFixture<IConnectionService>
c.disconnectCause,
c.conferenceableConnectionIds,
c.extras);
+ return mLatestParcelableConnection;
}
}
diff --git a/tests/src/com/android/server/telecom/tests/TelecomSystemTest.java b/tests/src/com/android/server/telecom/tests/TelecomSystemTest.java
index cf17b5c19..4dc6b962d 100644
--- a/tests/src/com/android/server/telecom/tests/TelecomSystemTest.java
+++ b/tests/src/com/android/server/telecom/tests/TelecomSystemTest.java
@@ -336,12 +336,13 @@ public class TelecomSystemTest extends TelecomTestCase {
super.tearDown();
}
- protected ParcelableCall makeConferenceCall() throws Exception {
- IdPair callId1 = startAndMakeActiveOutgoingCall("650-555-1212",
- mPhoneAccountA0.getAccountHandle(), mConnectionServiceFixtureA);
+ protected ParcelableCall makeConferenceCall(
+ Intent callIntentExtras1, Intent callIntentExtras2) throws Exception {
+ IdPair callId1 = startAndMakeActiveOutgoingCallWithExtras("650-555-1212",
+ mPhoneAccountA0.getAccountHandle(), mConnectionServiceFixtureA, callIntentExtras1);
- IdPair callId2 = startAndMakeActiveOutgoingCall("650-555-1213",
- mPhoneAccountA0.getAccountHandle(), mConnectionServiceFixtureA);
+ IdPair callId2 = startAndMakeActiveOutgoingCallWithExtras("650-555-1213",
+ mPhoneAccountA0.getAccountHandle(), mConnectionServiceFixtureA, callIntentExtras2);
IInCallAdapter inCallAdapter = mInCallServiceFixtureX.getInCallAdapter();
inCallAdapter.conference(callId1.mCallId, callId2.mCallId);
@@ -530,17 +531,17 @@ public class TelecomSystemTest extends TelecomTestCase {
throws Exception {
return startOutgoingPhoneCall(number, phoneAccountHandle, connectionServiceFixture,
- initiatingUser, VideoProfile.STATE_AUDIO_ONLY);
+ initiatingUser, VideoProfile.STATE_AUDIO_ONLY, null);
}
protected IdPair startOutgoingPhoneCall(String number, PhoneAccountHandle phoneAccountHandle,
ConnectionServiceFixture connectionServiceFixture, UserHandle initiatingUser,
- int videoState) throws Exception {
+ int videoState, Intent callIntentExtras) throws Exception {
int startingNumConnections = connectionServiceFixture.mConnectionById.size();
int startingNumCalls = mInCallServiceFixtureX.mCallById.size();
startOutgoingPhoneCallPendingCreateConnection(number, phoneAccountHandle,
- connectionServiceFixture, initiatingUser, videoState);
+ connectionServiceFixture, initiatingUser, videoState, callIntentExtras);
return outgoingCallCreateConnectionComplete(startingNumConnections, startingNumCalls,
phoneAccountHandle, connectionServiceFixture);
@@ -576,7 +577,7 @@ public class TelecomSystemTest extends TelecomTestCase {
mIsEmergencyCall = true;
// Call will not use the ordered broadcaster, since it is an Emergency Call
startOutgoingPhoneCallWaitForBroadcaster(number, phoneAccountHandle,
- connectionServiceFixture, initiatingUser, videoState, true /*isEmergency*/);
+ connectionServiceFixture, initiatingUser, videoState, true /*isEmergency*/, null);
return outgoingCallCreateConnectionComplete(startingNumConnections, startingNumCalls,
phoneAccountHandle, connectionServiceFixture);
@@ -585,7 +586,7 @@ public class TelecomSystemTest extends TelecomTestCase {
protected void startOutgoingPhoneCallWaitForBroadcaster(String number,
PhoneAccountHandle phoneAccountHandle,
ConnectionServiceFixture connectionServiceFixture, UserHandle initiatingUser,
- int videoState, boolean isEmergency) throws Exception {
+ int videoState, boolean isEmergency, Intent actionCallIntent) throws Exception {
reset(connectionServiceFixture.getTestDouble(), mInCallServiceFixtureX.getTestDouble(),
mInCallServiceFixtureY.getTestDouble());
@@ -598,7 +599,9 @@ public class TelecomSystemTest extends TelecomTestCase {
boolean hasInCallAdapter = mInCallServiceFixtureX.mInCallAdapter != null;
- Intent actionCallIntent = new Intent();
+ if (actionCallIntent == null) {
+ actionCallIntent = new Intent();
+ }
actionCallIntent.setData(Uri.parse("tel:" + number));
actionCallIntent.putExtra(Intent.EXTRA_PHONE_NUMBER, number);
if(isEmergency) {
@@ -638,9 +641,9 @@ public class TelecomSystemTest extends TelecomTestCase {
protected String startOutgoingPhoneCallPendingCreateConnection(String number,
PhoneAccountHandle phoneAccountHandle,
ConnectionServiceFixture connectionServiceFixture, UserHandle initiatingUser,
- int videoState) throws Exception {
+ int videoState, Intent callIntentExtras) throws Exception {
startOutgoingPhoneCallWaitForBroadcaster(number,phoneAccountHandle,
- connectionServiceFixture, initiatingUser, videoState, false /*isEmergency*/);
+ connectionServiceFixture, initiatingUser, videoState, false /*isEmergency*/, callIntentExtras);
ArgumentCaptor<Intent> newOutgoingCallIntent =
ArgumentCaptor.forClass(Intent.class);
@@ -724,14 +727,24 @@ public class TelecomSystemTest extends TelecomTestCase {
PhoneAccountHandle phoneAccountHandle,
final ConnectionServiceFixture connectionServiceFixture) throws Exception {
return startIncomingPhoneCall(number, phoneAccountHandle, VideoProfile.STATE_AUDIO_ONLY,
- connectionServiceFixture);
+ connectionServiceFixture, null);
+ }
+
+ protected IdPair startIncomingPhoneCallWithExtras(
+ String number,
+ PhoneAccountHandle phoneAccountHandle,
+ final ConnectionServiceFixture connectionServiceFixture,
+ Bundle extras) throws Exception {
+ return startIncomingPhoneCall(number, phoneAccountHandle, VideoProfile.STATE_AUDIO_ONLY,
+ connectionServiceFixture, extras);
}
protected IdPair startIncomingPhoneCall(
String number,
PhoneAccountHandle phoneAccountHandle,
int videoState,
- final ConnectionServiceFixture connectionServiceFixture) throws Exception {
+ final ConnectionServiceFixture connectionServiceFixture,
+ Bundle extras) throws Exception {
reset(connectionServiceFixture.getTestDouble(), mInCallServiceFixtureX.getTestDouble(),
mInCallServiceFixtureY.getTestDouble());
@@ -744,7 +757,9 @@ public class TelecomSystemTest extends TelecomTestCase {
boolean hasInCallAdapter = mInCallServiceFixtureX.mInCallAdapter != null;
connectionServiceFixture.mConnectionServiceDelegate.mVideoState = videoState;
- Bundle extras = new Bundle();
+ if (extras == null) {
+ extras = new Bundle();
+ }
extras.putParcelable(
TelecomManager.EXTRA_INCOMING_CALL_ADDRESS,
Uri.fromParts(PhoneAccount.SCHEME_TEL, number, null));
@@ -834,7 +849,16 @@ public class TelecomSystemTest extends TelecomTestCase {
PhoneAccountHandle phoneAccountHandle,
ConnectionServiceFixture connectionServiceFixture) throws Exception {
return startAndMakeActiveOutgoingCall(number, phoneAccountHandle, connectionServiceFixture,
- VideoProfile.STATE_AUDIO_ONLY);
+ VideoProfile.STATE_AUDIO_ONLY, null);
+ }
+
+ protected IdPair startAndMakeActiveOutgoingCallWithExtras(
+ String number,
+ PhoneAccountHandle phoneAccountHandle,
+ ConnectionServiceFixture connectionServiceFixture,
+ Intent callIntentExtras) throws Exception {
+ return startAndMakeActiveOutgoingCall(number, phoneAccountHandle, connectionServiceFixture,
+ VideoProfile.STATE_AUDIO_ONLY, callIntentExtras);
}
// A simple outgoing call, verifying that the appropriate connection service is contacted,
@@ -842,9 +866,10 @@ public class TelecomSystemTest extends TelecomTestCase {
protected IdPair startAndMakeActiveOutgoingCall(
String number,
PhoneAccountHandle phoneAccountHandle,
- ConnectionServiceFixture connectionServiceFixture, int videoState) throws Exception {
+ ConnectionServiceFixture connectionServiceFixture, int videoState,
+ Intent callIntentExtras) throws Exception {
IdPair ids = startOutgoingPhoneCall(number, phoneAccountHandle, connectionServiceFixture,
- Process.myUserHandle(), videoState);
+ Process.myUserHandle(), videoState, callIntentExtras);
connectionServiceFixture.sendSetDialing(ids.mConnectionId);
assertEquals(Call.STATE_DIALING, mInCallServiceFixtureX.getCall(ids.mCallId).getState());
diff --git a/tests/src/com/android/server/telecom/tests/VideoCallTests.java b/tests/src/com/android/server/telecom/tests/VideoCallTests.java
index 0319e81fa..6e2b70f25 100644
--- a/tests/src/com/android/server/telecom/tests/VideoCallTests.java
+++ b/tests/src/com/android/server/telecom/tests/VideoCallTests.java
@@ -78,7 +78,7 @@ public class VideoCallTests extends TelecomSystemTest {
// Start an incoming video call.
IdPair ids = startAndMakeActiveOutgoingCall("650-555-1212",
mPhoneAccountA0.getAccountHandle(), mConnectionServiceFixtureA,
- VideoProfile.STATE_BIDIRECTIONAL);
+ VideoProfile.STATE_BIDIRECTIONAL, null);
verifyAudioRoute(CallAudioState.ROUTE_SPEAKER);
}
@@ -93,7 +93,7 @@ public class VideoCallTests extends TelecomSystemTest {
// Start an incoming video call.
IdPair ids = startAndMakeActiveOutgoingCall("650-555-1212",
mPhoneAccountA0.getAccountHandle(), mConnectionServiceFixtureA,
- VideoProfile.STATE_TX_ENABLED);
+ VideoProfile.STATE_TX_ENABLED, null);
verifyAudioRoute(CallAudioState.ROUTE_SPEAKER);
}
@@ -108,7 +108,7 @@ public class VideoCallTests extends TelecomSystemTest {
// Start an incoming video call.
IdPair ids = startAndMakeActiveOutgoingCall("650-555-1212",
mPhoneAccountA0.getAccountHandle(), mConnectionServiceFixtureA,
- VideoProfile.STATE_AUDIO_ONLY);
+ VideoProfile.STATE_AUDIO_ONLY, null);
verifyAudioRoute(CallAudioState.ROUTE_EARPIECE);
}

13
Scripts/LineageOS-14.1/Patch.sh
View File

@ -76,7 +76,7 @@ sed -i '50i$(my_res_package): PRIVATE_AAPT_FLAGS += --auto-add-overlay' core/aap
sed -i '296iLOCAL_AAPT_FLAGS += --auto-add-overlay' core/package_internal.mk;
awk -i inplace '!/Email/' target/product/core.mk; #Remove Email
awk -i inplace '!/Exchange2/' target/product/core.mk;
sed -i 's/2021-06-05/2023-07-05/' core/version_defaults.mk; #Bump Security String #n-asb-2023-07 #XXX
sed -i 's/2021-06-05/2023-08-05/' core/version_defaults.mk; #Bump Security String #n-asb-2023-08 #XXX
fi;
if enterAndClear "device/qcom/sepolicy"; then
@ -84,6 +84,10 @@ applyPatch "$DOS_PATCHES/android_device_qcom_sepolicy/248649.patch"; #msm_irqbal
applyPatch "$DOS_PATCHES/android_device_qcom_sepolicy/0001-Camera_Fix.patch"; #Fix camera on user builds XXX: REMOVE THIS TRASH (DivestOS)
fi;
if enterAndClear "external/aac"; then
applyPatch "$DOS_PATCHES/android_external_aac/364027-backport.patch"; #R_asb_2023-08 Increase patchParam array size by one and fix out-of-bounce write in resetLppTransposer().
fi;
if enterAndClear "external/apache-http"; then
applyPatch "$DOS_PATCHES/android_external_apache-http/0001-Fix.patch"; #Fix compile failure (AOSP)
fi;
@ -207,6 +211,11 @@ applyPatch "$DOS_PATCHES/android_frameworks_base/358734.patch"; #n-asb-2023-06 H
applyPatch "$DOS_PATCHES/android_frameworks_base/360893.patch"; #n-asb-2023-07 Sanitize VPN label to prevent HTML injection
applyPatch "$DOS_PATCHES/android_frameworks_base/360894.patch"; #n-asb-2023-07 Limit the number of supported v1 and v2 signers
applyPatch "$DOS_PATCHES/android_frameworks_base/360895.patch"; #n-asb-2023-07 Truncate ShortcutInfo Id
applyPatch "$DOS_PATCHES/android_frameworks_base/364029-backport.patch"; #R_asb_2023-08 ActivityManager#killBackgroundProcesses can kill caller's own app only
applyPatch "$DOS_PATCHES/android_frameworks_base/364033-backport.patch"; #R_asb_2023-08 Ensure policy has no absurdly long strings
applyPatch "$DOS_PATCHES/android_frameworks_base/364036-backport.patch"; #R_asb_2023-08 Verify URI permissions in MediaMetadata
applyPatch "$DOS_PATCHES/android_frameworks_base/364037.patch"; #R_asb_2023-08 Use Settings.System.getIntForUser instead of getInt to make sure user specific settings are used
applyPatch "$DOS_PATCHES/android_frameworks_base/364038-backport.patch"; #R_asb_2023-08 Resolve StatusHints image exploit across user.
git revert --no-edit 0326bb5e41219cf502727c3aa44ebf2daa19a5b3; #Re-enable doze on devices without gms
applyPatch "$DOS_PATCHES/android_frameworks_base/248599.patch"; #Make SET_TIME_ZONE permission match SET_TIME (AOSP)
applyPatch "$DOS_PATCHES/android_frameworks_base/0001-Reduced_Resolution.patch"; #Allow reducing resolution to save power TODO: Add 800x480 (DivestOS)
@ -420,6 +429,7 @@ if enterAndClear "packages/services/Telecomm"; then
applyPatch "$DOS_PATCHES/android_packages_services_Telecomm/332456.patch"; #n-asb-2022-06 limit TelecomManager#registerPhoneAccount to 10
applyPatch "$DOS_PATCHES/android_packages_services_Telecomm/343953.patch"; #n-asb-2022-11 Switch TelecomManager List getters to ParceledListSlice
applyPatch "$DOS_PATCHES/android_packages_services_Telecomm/345526.patch"; #n-asb-2022-12 Hide overlay windows when showing phone account enable/disable screen.
applyPatch "$DOS_PATCHES/android_packages_services_Telecomm/364041-backport.patch"; #R_asb_2023-08 Resolve StatusHints image exploit across user.
fi;
if enterAndClear "packages/services/Telephony"; then
@ -438,6 +448,7 @@ fi;
if enterAndClear "packages/providers/TelephonyProvider"; then
applyPatch "$DOS_PATCHES/android_packages_providers_TelephonyProvider/343954.patch"; #n-asb-2022-11 Check dir path before updating permissions.
applyPatch "$DOS_PATCHES/android_packages_providers_TelephonyProvider/364040-backport.patch"; #R_asb_2023-08 Update file permissions using canonical path
fi;
if enterAndClear "system/bt"; then