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README.md

Tadah.DLL

DLL used for extending game client/server functionality

Fork of ProjectPolygon/PolygonDLL, which is based off of ndoesstuff/JoinScriptUrlImpl as per the MIT license

CI/CD

Tadah.DLL is available on the Tadah CI. All builds are compiled as release, and a build occurs per push.

Build

Tadah.DLL requires vcpkg to manage package installation such with libcurl, detours, and rapidjson. Here's a quick way to install vcpkg;

> cd <path where vcpkg should be kept; such as C:\vcpkg>
> git clone https://github.com/microsoft/vcpkg
> .\vcpkg\bootstrap-vcpkg.bat
> .\vcpkg\vcpkg integrate install
> .\vcpkg\vcpkg integrate project

Tadah.DLL only builds under Win32 for x86 architecture.

Usage

The DLL is imported with StudPE under the import function name for server builds. Otherwise, the DLL should be imported into the executable via VMProtect.

Several preprocessor flags are available that modify how the DLL operates. They are specific to the executable being compiled for. You may read the code for further information.

Testing

Test trust check:

  1. Insert a new brick with decal
  2. Try setting decal ID to http://tadah.rocks - Should succeed
  3. Try setting decal ID to http://tadah.rocks@example.com - Should fail

Test extended signature check:

  • Run loadfile("rbxasset://invalid-signature.txt")() - Should throw an exception
  • Run loadfile("rbxasset://overflow-signature.txt")() - Should throw an exception
  • Run loadfile("https://polygon.pizzaboxer.xyz/Game/Visit.ashx")() - Should succeed (if compiled with the Project Polygon public key)

Test command line parameter reimplementation:

  • > RobloxApp.exe -a http://polygondev.pizzaboxer.xyz/Login/Negotiate.ashx -t 0 -j http://polygondev.pizzaboxer.xyz/Game/Visit.ashx

Test asset redirection:

  • Run game:Load("https://www.roblox.com/Asset?id=1818&version=1") - Should succeed
  1. Insert a new brick with decal
  2. Try setting decal ID to https://www.roblox.com/Thumbs/Asset.ashx?id=1818&x=768&y=432 - Should succeed
  3. Try setting decal ID to https://www.roblox.com/Thumbs/Avatar.ashx?id=1&x=768&y=432 - Should succeed

License

Copyright (c) Tadah and Project Polygon 2022. All rights reserved. Not for public use.

Licensed under the GNU Affero General Public License v3.0. A copy of it has been included.