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Commit 9273bdb0 authored by Riddle Hsu's avatar Riddle Hsu Committed by Automerger Merge Worker
Browse files

Merge "Restrict the getter of where the app launched from" into sc-qpr1-dev... 

Merge "Restrict the getter of where the app launched from" into sc-qpr1-dev am: 0e40c2c9 am: b3236d49

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15583403

Change-Id: I6e8d6e6d6fddd0088cecd8d7cff9920be515a78e
parents d5c3c0f9 b3236d49

services/core/java/com/android/server/wm/ActivityClientController.java

+31 −1
Original line number Diff line number Diff line
@@ -21,6 +21,8 @@ import static android.app.ActivityTaskManager.INVALID_TASK_ID; 
import static android.app.WindowConfiguration.WINDOWING_MODE_FREEFORM;

import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;

import static android.app.WindowConfiguration.WINDOWING_MODE_UNDEFINED;

import static android.os.Process.INVALID_UID;

import static android.os.Process.SYSTEM_UID;

import static android.os.Trace.TRACE_TAG_WINDOW_MANAGER;

import static android.service.voice.VoiceInteractionSession.SHOW_SOURCE_APPLICATION;

import static android.view.Display.DEFAULT_DISPLAY;
@@ -57,6 +59,7 @@ import android.content.ComponentName; 
import android.content.Context;

import android.content.Intent;

import android.content.pm.ActivityInfo;

import android.content.pm.PackageManagerInternal;

import android.content.pm.ParceledListSlice;

import android.content.pm.ResolveInfo;

import android.content.res.Configuration;
@@ -68,6 +71,7 @@ import android.os.PersistableBundle; 
import android.os.RemoteException;

import android.os.SystemClock;

import android.os.Trace;

import android.os.UserHandle;

import android.service.voice.VoiceInteractionManagerInternal;

import android.util.Slog;

import android.view.RemoteAnimationDefinition;
@@ -79,6 +83,7 @@ import com.android.internal.policy.IKeyguardDismissCallback; 
import com.android.internal.protolog.common.ProtoLog;

import com.android.server.LocalServices;

import com.android.server.Watchdog;

import com.android.server.pm.parsing.pkg.AndroidPackage;

import com.android.server.uri.NeededUriGrants;

import com.android.server.vr.VrManagerInternal;
@@ -583,20 +588,45 @@ class ActivityClientController extends IActivityClientController.Stub { 


    @Override

    public int getLaunchedFromUid(IBinder token) {

        if (!canGetLaunchedFrom()) {

            return INVALID_UID;

        }

        synchronized (mGlobalLock) {

            final ActivityRecord r = ActivityRecord.forTokenLocked(token);

            return r != null ? r.launchedFromUid : android.os.Process.INVALID_UID;

            return r != null ? r.launchedFromUid : INVALID_UID;

        }

    }



    @Override

    public String getLaunchedFromPackage(IBinder token) {

        if (!canGetLaunchedFrom()) {

            return null;

        }

        synchronized (mGlobalLock) {

            final ActivityRecord r = ActivityRecord.forTokenLocked(token);

            return r != null ? r.launchedFromPackage : null;

        }

    }



    /** Whether the caller can get the package or uid that launched its activity. */

    private boolean canGetLaunchedFrom() {

        final int uid = Binder.getCallingUid();

        if (UserHandle.getAppId(uid) == SYSTEM_UID) {

            return true;

        }

        final PackageManagerInternal pm = mService.mWindowManager.mPmInternal;

        final AndroidPackage callingPkg = pm.getPackage(uid);

        if (callingPkg == null) {

            return false;

        }

        if (callingPkg.isSignedWithPlatformKey()) {

            return true;

        }

        final String[] installerNames = pm.getKnownPackageNames(

                PackageManagerInternal.PACKAGE_INSTALLER, UserHandle.getUserId(uid));

        return installerNames.length > 0 && callingPkg.getPackageName().equals(installerNames[0]);

    }



    @Override

    public void setRequestedOrientation(IBinder token, int requestedOrientation) {

        final long origId = Binder.clearCallingIdentity();