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check caller method with stack walker

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This commit is contained in:
tehcneko 2025-03-07 21:14:37 +08:00
parent bf5cdb513d
commit 401f196e2e
1 changed files with 23 additions and 9 deletions
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32
app/src/main/java/io/github/lsposed/disableflagsecure/DisableFlagSecure.java
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@ -5,7 +5,6 @@ import android.app.Activity;
import android.app.AlertDialog;
import android.hardware.display.DisplayManager;
import android.os.Build;
import android.util.Log;
import android.view.SurfaceControl;
import androidx.annotation.NonNull;
@ -334,9 +333,12 @@ public class DisableFlagSecure extends XposedModule {
@BeforeInvocation
public static void before(@NonNull BeforeHookCallback callback) {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.UPSIDE_DOWN_CAKE) {
String stack = Log.getStackTraceString(new Throwable());
if (stack.contains("createVirtualDisplayLocked")) {
return;
var stackTrace = new Throwable().getStackTrace();
for (int i = 4; i < stackTrace.length && i < 8; i++) {
var name = stackTrace[i].getMethodName();
if (name.equals("createVirtualDisplayLocked")) {
return;
}
}
}
callback.getArgs()[1] = true;
@ -406,11 +408,23 @@ public class DisableFlagSecure extends XposedModule {
@BeforeInvocation
public static void before(@NonNull BeforeHookCallback callback) {
String stack = Log.getStackTraceString(new Throwable());
// don't change surface flags, but passing other checks
if (stack.contains("setInitialSurfaceControlProperties")
|| stack.contains("createSurfaceLocked")) {
return;
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.UPSIDE_DOWN_CAKE) {
var walker = StackWalker.getInstance();
var match = walker.walk(frames -> frames
.map(StackWalker.StackFrame::getMethodName)
.limit(6)
.skip(2)
.anyMatch(s -> s.equals("setInitialSurfaceControlProperties") || s.equals("createSurfaceLocked")));
if (match) return;
} else {
var stackTrace = new Throwable().getStackTrace();
for (int i = 4; i < stackTrace.length && i < 8; i++) {
var name = stackTrace[i].getMethodName();
if (name.equals("setInitialSurfaceControlProperties") ||
name.equals("createSurfaceLocked")) {
return;
}
}
}
callback.returnAndSkip(false);
}