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DivestOS/Patches/LineageOS-17.1/android_frameworks_base/353951-backport.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Rhed Jao <rhedjao@google.com>
Date: Wed, 11 Jan 2023 16:02:27 +0800
Subject: [PATCH] Fix bypass BG-FGS and BAL via package manager APIs
Opt-in for BAL of PendingIntent for following APIs:
* PackageInstaller.uninstall()
* PackageInstaller.installExistingPackage()
* PackageInstaller.uninstallExistingPackage()
* PackageInstaller.Session.commit()
* PackageInstaller.Session.commitTransferred()
* PackageManager.freeStorage()
Bug: 230492955
Bug: 243377226
Test: atest android.security.cts.PackageInstallerTest
Test: atest CtsStagedInstallHostTestCases
Change-Id: I9b6f801d69ea6d2244a38dbe689e81afa4e798bf
(cherry picked from commit b0b1ddb4b4ba5db27f5616b02ae2cdca8b63496f)
Merged-In: I9b6f801d69ea6d2244a38dbe689e81afa4e798bf
---
core/java/android/content/IntentSender.java | 42 ++++++++++++++++++-
.../server/pm/PackageInstallerService.java | 21 ++++++++--
.../server/pm/PackageInstallerSession.java | 19 +++++++--
.../server/pm/PackageManagerService.java | 10 ++++-
4 files changed, 81 insertions(+), 11 deletions(-)
diff --git a/core/java/android/content/IntentSender.java b/core/java/android/content/IntentSender.java
index ec0bac486c65..0ef0a71fffe0 100644
--- a/core/java/android/content/IntentSender.java
+++ b/core/java/android/content/IntentSender.java
@@ -16,8 +16,10 @@
package android.content;
+import android.annotation.Nullable;
import android.annotation.UnsupportedAppUsage;
import android.app.ActivityManager;
+import android.app.ActivityOptions;
import android.os.Bundle;
import android.os.RemoteException;
import android.os.Handler;
@@ -154,7 +156,7 @@ public class IntentSender implements Parcelable {
*/
public void sendIntent(Context context, int code, Intent intent,
OnFinished onFinished, Handler handler) throws SendIntentException {
- sendIntent(context, code, intent, onFinished, handler, null);
+ sendIntent(context, code, intent, onFinished, handler, null, null /* options */);
}
/**
@@ -186,6 +188,42 @@ public class IntentSender implements Parcelable {
public void sendIntent(Context context, int code, Intent intent,
OnFinished onFinished, Handler handler, String requiredPermission)
throws SendIntentException {
+ sendIntent(context, code, intent, onFinished, handler, requiredPermission,
+ null /* options */);
+ }
+
+ /**
+ * Perform the operation associated with this IntentSender, allowing the
+ * caller to specify information about the Intent to use and be notified
+ * when the send has completed.
+ *
+ * @param context The Context of the caller. This may be null if
+ * <var>intent</var> is also null.
+ * @param code Result code to supply back to the IntentSender's target.
+ * @param intent Additional Intent data. See {@link Intent#fillIn
+ * Intent.fillIn()} for information on how this is applied to the
+ * original Intent. Use null to not modify the original Intent.
+ * @param onFinished The object to call back on when the send has
+ * completed, or null for no callback.
+ * @param handler Handler identifying the thread on which the callback
+ * should happen. If null, the callback will happen from the thread
+ * pool of the process.
+ * @param requiredPermission Name of permission that a recipient of the PendingIntent
+ * is required to hold. This is only valid for broadcast intents, and
+ * corresponds to the permission argument in
+ * {@link Context#sendBroadcast(Intent, String) Context.sendOrderedBroadcast(Intent, String)}.
+ * If null, no permission is required.
+ * @param options Additional options the caller would like to provide to modify the sending
+ * behavior. May be built from an {@link ActivityOptions} to apply to an activity start.
+ *
+ * @throws SendIntentException Throws CanceledIntentException if the IntentSender
+ * is no longer allowing more intents to be sent through it.
+ * @hide
+ */
+ public void sendIntent(Context context, int code, Intent intent,
+ OnFinished onFinished, Handler handler, String requiredPermission,
+ @Nullable Bundle options)
+ throws SendIntentException {
try {
String resolvedType = intent != null ?
intent.resolveTypeIfNeeded(context.getContentResolver())
@@ -195,7 +233,7 @@ public class IntentSender implements Parcelable {
onFinished != null
? new FinishedDispatcher(this, onFinished, handler)
: null,
- requiredPermission, null);
+ requiredPermission, options);
if (res < 0) {
throw new SendIntentException();
}
diff --git a/services/core/java/com/android/server/pm/PackageInstallerService.java b/services/core/java/com/android/server/pm/PackageInstallerService.java
index c73f489cb143..ea144fd7c4d5 100644
--- a/services/core/java/com/android/server/pm/PackageInstallerService.java
+++ b/services/core/java/com/android/server/pm/PackageInstallerService.java
@@ -23,6 +23,7 @@ import android.Manifest;
import android.app.ActivityManager;
import android.app.AppGlobals;
import android.app.AppOpsManager;
+import android.app.BroadcastOptions;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PackageDeleteObserver;
@@ -1021,7 +1022,10 @@ public class PackageInstallerService extends IPackageInstaller.Stub implements
PackageInstaller.STATUS_PENDING_USER_ACTION);
fillIn.putExtra(Intent.EXTRA_INTENT, intent);
try {
- mTarget.sendIntent(mContext, 0, fillIn, null, null);
+ final BroadcastOptions options = BroadcastOptions.makeBasic();
+ options.setPendingIntentBackgroundActivityLaunchAllowed(false);
+ mTarget.sendIntent(mContext, 0, fillIn, null /* onFinished*/,
+ null /* handler */, null /* requiredPermission */, options.toBundle());
} catch (SendIntentException ignored) {
}
}
@@ -1046,7 +1050,10 @@ public class PackageInstallerService extends IPackageInstaller.Stub implements
PackageManager.deleteStatusToString(returnCode, msg));
fillIn.putExtra(PackageInstaller.EXTRA_LEGACY_STATUS, returnCode);
try {
- mTarget.sendIntent(mContext, 0, fillIn, null, null);
+ final BroadcastOptions options = BroadcastOptions.makeBasic();
+ options.setPendingIntentBackgroundActivityLaunchAllowed(false);
+ mTarget.sendIntent(mContext, 0, fillIn, null /* onFinished*/,
+ null /* handler */, null /* requiredPermission */, options.toBundle());
} catch (SendIntentException ignored) {
}
}
@@ -1076,7 +1083,10 @@ public class PackageInstallerService extends IPackageInstaller.Stub implements
PackageInstaller.STATUS_PENDING_USER_ACTION);
fillIn.putExtra(Intent.EXTRA_INTENT, intent);
try {
- mTarget.sendIntent(mContext, 0, fillIn, null, null);
+ final BroadcastOptions options = BroadcastOptions.makeBasic();
+ options.setPendingIntentBackgroundActivityLaunchAllowed(false);
+ mTarget.sendIntent(mContext, 0, fillIn, null /* onFinished*/,
+ null /* handler */, null /* requiredPermission */, options.toBundle());
} catch (SendIntentException ignored) {
}
}
@@ -1116,7 +1126,10 @@ public class PackageInstallerService extends IPackageInstaller.Stub implements
}
}
try {
- mTarget.sendIntent(mContext, 0, fillIn, null, null);
+ final BroadcastOptions options = BroadcastOptions.makeBasic();
+ options.setPendingIntentBackgroundActivityLaunchAllowed(false);
+ mTarget.sendIntent(mContext, 0, fillIn, null /* onFinished*/,
+ null /* handler */, null /* requiredPermission */, options.toBundle());
} catch (SendIntentException ignored) {
}
}
diff --git a/services/core/java/com/android/server/pm/PackageInstallerSession.java b/services/core/java/com/android/server/pm/PackageInstallerSession.java
index 5a880cb5fa52..71d06d8a2d03 100644
--- a/services/core/java/com/android/server/pm/PackageInstallerSession.java
+++ b/services/core/java/com/android/server/pm/PackageInstallerSession.java
@@ -44,6 +44,7 @@ import static com.android.server.pm.PackageInstallerService.prepareStageDir;
import android.Manifest;
import android.annotation.NonNull;
import android.annotation.Nullable;
+import android.app.BroadcastOptions;
import android.app.admin.DevicePolicyEventLogger;
import android.app.admin.DevicePolicyManagerInternal;
import android.content.Context;
@@ -960,13 +961,21 @@ public class PackageInstallerSession extends IPackageInstallerSession.Stub {
try {
intent.putExtra(PackageInstaller.EXTRA_SESSION_ID,
PackageInstallerSession.this.sessionId);
- mStatusReceiver.sendIntent(mContext, 0, intent, null, null);
+ final BroadcastOptions options = BroadcastOptions.makeBasic();
+ options.setPendingIntentBackgroundActivityLaunchAllowed(false);
+ mStatusReceiver.sendIntent(mContext, 0, intent,
+ null /* onFinished*/, null /* handler */,
+ null /* requiredPermission */, options.toBundle());
} catch (IntentSender.SendIntentException ignore) {
}
}
} else if (PackageInstaller.STATUS_PENDING_USER_ACTION == status) {
try {
- mStatusReceiver.sendIntent(mContext, 0, intent, null, null);
+ final BroadcastOptions options = BroadcastOptions.makeBasic();
+ options.setPendingIntentBackgroundActivityLaunchAllowed(false);
+ mStatusReceiver.sendIntent(mContext, 0, intent,
+ null /* onFinished*/, null /* handler */,
+ null /* requiredPermission */, options.toBundle());
} catch (IntentSender.SendIntentException ignore) {
}
} else {
@@ -974,7 +983,11 @@ public class PackageInstallerSession extends IPackageInstallerSession.Stub {
PackageInstallerSession.this.sessionId);
mChildSessionsRemaining.clear(); // we're done. Don't send any more.
try {
- mStatusReceiver.sendIntent(mContext, 0, intent, null, null);
+ final BroadcastOptions options = BroadcastOptions.makeBasic();
+ options.setPendingIntentBackgroundActivityLaunchAllowed(false);
+ mStatusReceiver.sendIntent(mContext, 0, intent,
+ null /* onFinished*/, null /* handler */,
+ null /* requiredPermission */, options.toBundle());
} catch (IntentSender.SendIntentException ignore) {
}
}
diff --git a/services/core/java/com/android/server/pm/PackageManagerService.java b/services/core/java/com/android/server/pm/PackageManagerService.java
index 1bd1396c6d45..ef97d61d26d7 100644
--- a/services/core/java/com/android/server/pm/PackageManagerService.java
+++ b/services/core/java/com/android/server/pm/PackageManagerService.java
@@ -4893,7 +4893,10 @@ public class PackageManagerService extends IPackageManager.Stub
}
if (pi != null) {
try {
- pi.sendIntent(null, success ? 1 : 0, null, null, null);
+ final BroadcastOptions options = BroadcastOptions.makeBasic();
+ options.setPendingIntentBackgroundActivityLaunchAllowed(false);
+ pi.sendIntent(null, success ? 1 : 0, null /* intent */, null /* onFinished*/,
+ null /* handler */, null /* requiredPermission */, options.toBundle());
} catch (SendIntentException e) {
Slog.w(TAG, e);
}
@@ -13738,7 +13741,10 @@ public class PackageManagerService extends IPackageManager.Stub
fillIn.putExtra(PackageInstaller.EXTRA_STATUS,
PackageManager.installStatusToPublicStatus(returnCode));
try {
- target.sendIntent(context, 0, fillIn, null, null);
+ final BroadcastOptions options = BroadcastOptions.makeBasic();
+ options.setPendingIntentBackgroundActivityLaunchAllowed(false);
+ target.sendIntent(context, 0, fillIn, null /* onFinished*/,
+ null /* handler */, null /* requiredPermission */, options.toBundle());
} catch (SendIntentException ignored) {
}
}
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