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Commit d4793dbb authored by Alex Johnston's avatar Alex Johnston Committed by Android (Google) Code Review
Browse files

Merge "Add exemption check for OP_SYSTEM_EXEMPT_FROM_SUSPENSION" into udc-dev

parents 15dc084b 3c80539c

services/core/java/com/android/server/pm/SuspendPackageHelper.java

+17 −0
Original line number Diff line number Diff line
@@ -27,6 +27,7 @@ import android.annotation.NonNull; 
import android.annotation.Nullable;

import android.annotation.UserIdInt;

import android.app.ActivityManager;

import android.app.AppOpsManager;

import android.app.IActivityManager;

import android.app.admin.DevicePolicyManagerInternal;

import android.content.Intent;
@@ -39,6 +40,7 @@ import android.os.PersistableBundle; 
import android.os.Process;

import android.os.UserHandle;

import android.os.UserManager;

import android.provider.DeviceConfig;

import android.util.ArrayMap;

import android.util.ArraySet;

import android.util.IntArray;
@@ -63,6 +65,9 @@ import java.util.Set; 
import java.util.function.Predicate;



public final class SuspendPackageHelper {



    private static final String SYSTEM_EXEMPT_FROM_SUSPENSION = "system_exempt_from_suspension";



    // TODO(b/198166813): remove PMS dependency

    private final PackageManagerService mPm;

    private final PackageManagerServiceInjector mInjector;
@@ -502,6 +507,10 @@ public final class SuspendPackageHelper { 
            final String requiredPermissionControllerPackage =

                    getKnownPackageName(snapshot, KnownPackages.PACKAGE_PERMISSION_CONTROLLER,

                            userId);

            final AppOpsManager appOpsManager = mInjector.getSystemService(AppOpsManager.class);

            final boolean isSystemExemptFlagEnabled = DeviceConfig.getBoolean(

                    DeviceConfig.NAMESPACE_PACKAGE_MANAGER_SERVICE,

                    SYSTEM_EXEMPT_FROM_SUSPENSION, /* defaultValue= */ true);

            for (int i = 0; i < packageNames.length; i++) {

                canSuspend[i] = false;

                final String packageName = packageNames[i];
@@ -558,6 +567,7 @@ public final class SuspendPackageHelper { 
                PackageStateInternal packageState = snapshot.getPackageStateInternal(packageName);

                AndroidPackage pkg = packageState == null ? null : packageState.getPkg();

                if (pkg != null) {

                    final int uid = UserHandle.getUid(userId, packageState.getAppId());

                    // Cannot suspend SDK libs as they are controlled by SDK manager.

                    if (pkg.isSdkLibrary()) {

                        Slog.w(TAG, "Cannot suspend package: " + packageName
@@ -574,6 +584,13 @@ public final class SuspendPackageHelper { 
                                + pkg.getStaticSharedLibraryName());

                        continue;

                    }

                    if (isSystemExemptFlagEnabled && appOpsManager.checkOpNoThrow(

                            AppOpsManager.OP_SYSTEM_EXEMPT_FROM_SUSPENSION, uid, packageName)

                            == AppOpsManager.MODE_ALLOWED) {

                        Slog.w(TAG, "Cannot suspend package \"" + packageName

                                + "\": has OP_SYSTEM_EXEMPT_FROM_SUSPENSION set");

                        continue;

                    }

                }

                if (PLATFORM_PACKAGE_NAME.equals(packageName)) {

                    Slog.w(TAG, "Cannot suspend the platform package: " + packageName);