remove Capture DLL
This commit is contained in:
KingKDot
@@ -1,54 +0,0 @@
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@echo off
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setlocal EnableDelayedExpansion
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REM Build BackstageCapture DLL for Windows x64 using MSBuild (vcxproj).
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REM Run from VS Developer Command Prompt, or let the script detect VS.
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set "SCRIPT_DIR=%~dp0"
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for %%I in ("%SCRIPT_DIR%..") do set "ROOT=%%~fI\"
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set "PROJ=%ROOT%BackstageCapture\BackstageCapture.vcxproj"
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set "OUT_DIR=%ROOT%Overlord-Server\dist-clients"
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set CONFIG=Release
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set PLATFORM=x64
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REM Locate MSBuild via vswhere if not already on PATH
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where msbuild.exe >nul 2>&1
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if %ERRORLEVEL% neq 0 (
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echo msbuild.exe not found, searching for Visual Studio ...
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set "FOUND_VS="
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for /f "usebackq tokens=*" %%i in (`"%ProgramFiles(x86)%\Microsoft Visual Studio\Installer\vswhere.exe" -latest -products * -requires Microsoft.Component.MSBuild -find MSBuild\**\Bin\MSBuild.exe 2^>nul`) do (
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set "MSBUILD_PATH=%%i"
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set "FOUND_VS=1"
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)
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if not defined FOUND_VS (
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echo ERROR: Visual Studio with MSBuild not found.
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exit /b 1
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)
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echo Found MSBuild at: !MSBUILD_PATH!
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)
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if not exist "%OUT_DIR%" mkdir "%OUT_DIR%"
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echo Building BackstageCapture.vcxproj [%CONFIG%^|%PLATFORM%] ...
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if defined MSBUILD_PATH (
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"!MSBUILD_PATH!" "%PROJ%" /p:Configuration=%CONFIG% /p:Platform=%PLATFORM% /p:OutDir="%OUT_DIR%\\" /m /nologo /v:minimal
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) else (
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msbuild.exe "%PROJ%" /p:Configuration=%CONFIG% /p:Platform=%PLATFORM% /p:OutDir="%OUT_DIR%\\" /m /nologo /v:minimal
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)
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if %ERRORLEVEL% neq 0 goto :error
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if not exist "%OUT_DIR%\BackstageCapture.x64.dll" (
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echo ERROR: DLL not found in output directory.
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goto :error
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)
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echo.
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echo Built: %OUT_DIR%\BackstageCapture.x64.dll
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dir "%OUT_DIR%\BackstageCapture.x64.dll"
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echo Done.
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exit /b 0
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:error
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echo.
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echo BUILD FAILED
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exit /b 1
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@@ -1,248 +0,0 @@
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#!/usr/bin/env bash
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# Build BackstageCapture DLL for Windows x64 using MinGW cross-compiler (C++).
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# Run from the repository root or from Docker.
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#
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# BackstageCapture hooks IDXGISwapChain::Present to capture frames from the GPU
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# process. It uses MinHook for hooking and ReflectiveLoader for injection.
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#
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# Requirements:
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# - x86_64-w64-mingw32-g++ (C++ mode needed for COM vtable calls / __uuidof)
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# - MinHook source under BackstageCapture/Minhook/
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#
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# If MinHook source is not available, you can pre-build the DLL with MSVC
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# on Windows using scripts\build-backstage-capture-dll.bat and place the output at:
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# Overlord-Server/dist-clients/BackstageCapture.x64.dll
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set -euo pipefail
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SCRIPT_DIR="$(cd -- "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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ROOT="$(cd -- "$SCRIPT_DIR/.." && pwd)"
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cd "$ROOT"
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# C++ compiler for COM / __uuidof support
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CXX="${CXX:-x86_64-w64-mingw32-g++}"
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CC="${CC:-x86_64-w64-mingw32-gcc}"
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SRC_DIR="${BACKSTAGE_CAPTURE_SRC_DIR:-BackstageCapture/src}"
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OUT_DIR="${BACKSTAGE_CAPTURE_OUT_DIR:-Overlord-Server/dist-clients}"
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DLL_NAME="BackstageCapture.x64.dll"
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MINHOOK_REPO="${MINHOOK_REPO:-https://github.com/TsudaKageyu/minhook.git}"
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MINHOOK_REF="${MINHOOK_REF:-master}"
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BACKSTAGE_FETCH_MINHOOK="${BACKSTAGE_FETCH_MINHOOK:-1}"
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MINHOOK_STATIC_DIR="${MINHOOK_STATIC_DIR:-BackstageCapture/Minhook}"
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mkdir -p "$OUT_DIR" 2>/dev/null || true
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MINHOOK_DIR="$SRC_DIR/minhook"
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stage_minhook_tree() {
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local source_root="$1"
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local include_root="${2:-$1}"
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mkdir -p "$MINHOOK_DIR/hde" || true
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cp -f "$source_root/buffer.c" "$MINHOOK_DIR/" 2>/dev/null || true
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cp -f "$source_root/buffer.h" "$MINHOOK_DIR/" 2>/dev/null || true
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cp -f "$source_root/hook.c" "$MINHOOK_DIR/" 2>/dev/null || true
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cp -f "$source_root/trampoline.c" "$MINHOOK_DIR/" 2>/dev/null || true
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cp -f "$source_root/trampoline.h" "$MINHOOK_DIR/" 2>/dev/null || true
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cp -f "$source_root/hde/hde64.c" "$MINHOOK_DIR/hde/" 2>/dev/null || true
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cp -f "$source_root/hde/hde64.h" "$MINHOOK_DIR/hde/" 2>/dev/null || true
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cp -f "$source_root/hde/hde32.c" "$MINHOOK_DIR/hde/" 2>/dev/null || true
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cp -f "$source_root/hde/hde32.h" "$MINHOOK_DIR/hde/" 2>/dev/null || true
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cp -f "$source_root/hde/pstdint.h" "$MINHOOK_DIR/hde/" 2>/dev/null || true
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cp -f "$source_root/hde/table64.h" "$MINHOOK_DIR/hde/" 2>/dev/null || true
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cp -f "$source_root/hde/table32.h" "$MINHOOK_DIR/hde/" 2>/dev/null || true
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mkdir -p "$SRC_DIR/include" || true
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if [ -f "$source_root/MinHook.h" ]; then
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cp -f "$source_root/MinHook.h" "$MINHOOK_DIR/MinHook.h" 2>/dev/null || true
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cp -f "$source_root/MinHook.h" "$SRC_DIR/include/MinHook.h" 2>/dev/null || true
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elif [ -f "$include_root/MinHook.h" ]; then
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cp -f "$include_root/MinHook.h" "$MINHOOK_DIR/MinHook.h" 2>/dev/null || true
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cp -f "$include_root/MinHook.h" "$SRC_DIR/include/MinHook.h" 2>/dev/null || true
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fi
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}
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stage_minhook_from_static_dir() {
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local candidate_src=""
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local candidate_include=""
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for dir in "$MINHOOK_STATIC_DIR" "BackstageCapture/Minhook" "BackstageCapture/minhook"; do
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if [ -f "$dir/hook.c" ] && [ -f "$dir/hde/hde64.c" ]; then
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candidate_src="$dir"
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candidate_include="$dir"
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break
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fi
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if [ -f "$dir/src/hook.c" ] && [ -f "$dir/src/hde/hde64.c" ]; then
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candidate_src="$dir/src"
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if [ -f "$dir/include/MinHook.h" ]; then
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candidate_include="$dir/include"
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else
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candidate_include="$dir/src"
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fi
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break
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fi
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done
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if [ -n "$candidate_src" ]; then
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echo "Using static MinHook source from $candidate_src"
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stage_minhook_tree "$candidate_src" "$candidate_include"
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return 0
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fi
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return 1
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}
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# Verify C++ cross-compiler is available
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if ! command -v "$CXX" >/dev/null 2>&1; then
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echo "ERROR: C++ cross compiler not found: $CXX"
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echo "Install mingw-w64 (x86_64-w64-mingw32-g++) in your build image/environment."
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exit 1
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fi
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fetch_minhook() {
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if [ "$BACKSTAGE_FETCH_MINHOOK" != "1" ]; then
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return 1
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fi
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if ! command -v git >/dev/null 2>&1; then
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echo "WARNING: git is not available; cannot auto-fetch MinHook."
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return 1
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fi
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echo "MinHook source not found; fetching from $MINHOOK_REPO ($MINHOOK_REF) ..."
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local tmpdir
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tmpdir="$(mktemp -d)"
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if ! git clone --depth 1 --branch "$MINHOOK_REF" "$MINHOOK_REPO" "$tmpdir/minhook"; then
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rm -rf "$tmpdir"
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echo "WARNING: Failed to fetch MinHook source."
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return 1
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fi
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stage_minhook_tree "$tmpdir/minhook/src" "$tmpdir/minhook/include"
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cp -f "$tmpdir/minhook/include/MinHook.h" "$MINHOOK_DIR/MinHook.h" 2>/dev/null || true
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mkdir -p "$SRC_DIR/include" || true
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cp -f "$tmpdir/minhook/include/MinHook.h" "$SRC_DIR/include/MinHook.h" 2>/dev/null || true
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rm -rf "$tmpdir"
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[ -f "$MINHOOK_DIR/hook.c" ]
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}
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# --- Stage MinHook source ---
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if [ ! -d "$MINHOOK_DIR" ]; then
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if ! stage_minhook_from_static_dir && ! fetch_minhook; then
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echo "WARNING: MinHook source not found at $MINHOOK_DIR"
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echo "Attempting to use pre-compiled libMinHook.x64.lib ..."
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echo "(This may fail with MinGW. Build with MSVC on Windows instead.)"
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MINHOOK_OBJS=""
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MINHOOK_LIB="$SRC_DIR/libMinHook.x64.lib"
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MINHOOK_INC=""
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fi
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fi
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if [ -d "$MINHOOK_DIR" ]; then
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if [ ! -f "$MINHOOK_DIR/hook.c" ] && [ ! -f "$MINHOOK_DIR/MinHook.c" ]; then
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stage_minhook_from_static_dir || fetch_minhook || true
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fi
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fi
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if [ -d "$MINHOOK_DIR" ] && { [ -f "$MINHOOK_DIR/hook.c" ] || [ -f "$MINHOOK_DIR/MinHook.c" ]; }; then
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echo "Building MinHook from source ..."
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MINHOOK_OBJS=""
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MINHOOK_LIB=""
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MINHOOK_INC="-I$MINHOOK_DIR -I$MINHOOK_DIR/hde"
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if [ -f "$MINHOOK_DIR/hook.c" ] && [ ! -f "$SRC_DIR/include/MinHook.h" ]; then
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mkdir -p "$SRC_DIR/include" || true
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if [ -f "$MINHOOK_DIR/MinHook.h" ]; then
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cp -f "$MINHOOK_DIR/MinHook.h" "$SRC_DIR/include/MinHook.h" || true
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elif [ -f "$MINHOOK_DIR/include/MinHook.h" ]; then
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cp -f "$MINHOOK_DIR/include/MinHook.h" "$SRC_DIR/include/MinHook.h" || true
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fi
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fi
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# MinHook is pure C — compile with gcc
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for src in "$MINHOOK_DIR"/buffer.c "$MINHOOK_DIR"/trampoline.c \
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"$MINHOOK_DIR"/hde/hde64.c "$MINHOOK_DIR"/hde/hde32.c \
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"$MINHOOK_DIR"/hook.c "$MINHOOK_DIR"/MinHook.c; do
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if [ -f "$src" ]; then
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obj="${src%.c}.o"
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"$CC" -c -O2 -DWIN64 -D_WIN64 -fno-stack-protector -fno-asynchronous-unwind-tables $MINHOOK_INC -o "$obj" "$src"
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MINHOOK_OBJS="$MINHOOK_OBJS $obj"
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fi
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done
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if [ -z "${MINHOOK_OBJS// }" ]; then
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echo "WARNING: No MinHook objects were built, falling back to pre-compiled libMinHook.x64.lib"
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MINHOOK_LIB="$SRC_DIR/libMinHook.x64.lib"
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MINHOOK_INC=""
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fi
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else
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MINHOOK_OBJS=""
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MINHOOK_LIB="$SRC_DIR/libMinHook.x64.lib"
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MINHOOK_INC=""
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fi
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# --- Compile BackstageCapture sources ---
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# DXGICapture.c is compiled as C++ for COM vtable calls and __uuidof
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CXXFLAGS="-O2 -DWIN64 -D_WIN64 -DNDEBUG -D_WINDOWS -D_USRDLL"
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CXXFLAGS="$CXXFLAGS -DBackstageCapture_EXPORTS -DWIN_X64"
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CXXFLAGS="$CXXFLAGS -DREFLECTIVEDLLINJECTION_VIA_LOADREMOTELIBRARYR"
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CXXFLAGS="$CXXFLAGS -DREFLECTIVEDLLINJECTION_CUSTOM_DLLMAIN"
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CXXFLAGS="$CXXFLAGS -fno-stack-protector"
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CXXFLAGS="$CXXFLAGS -fno-exceptions -fno-rtti"
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CXXFLAGS="$CXXFLAGS -I$SRC_DIR"
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if [ -n "${MINHOOK_INC:-}" ]; then
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CXXFLAGS="$CXXFLAGS $MINHOOK_INC"
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fi
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# C flags for ReflectiveLoader (pure C, no C++)
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# Keep -fno-asynchronous-unwind-tables only for the loader shellcode
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LOADER_CFLAGS="-O2 -DWIN64 -D_WIN64 -DNDEBUG -D_WINDOWS -D_USRDLL"
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LOADER_CFLAGS="$LOADER_CFLAGS -DBackstageCapture_EXPORTS -DWIN_X64"
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LOADER_CFLAGS="$LOADER_CFLAGS -DREFLECTIVEDLLINJECTION_VIA_LOADREMOTELIBRARYR"
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LOADER_CFLAGS="$LOADER_CFLAGS -DREFLECTIVEDLLINJECTION_CUSTOM_DLLMAIN"
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LOADER_CFLAGS="$LOADER_CFLAGS -fno-stack-protector"
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LOADER_CFLAGS="$LOADER_CFLAGS -fno-asynchronous-unwind-tables"
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LOADER_CFLAGS="$LOADER_CFLAGS -I$SRC_DIR"
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if [ -n "${MINHOOK_INC:-}" ]; then
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LOADER_CFLAGS="$LOADER_CFLAGS $MINHOOK_INC"
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fi
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echo "Compiling ReflectiveLoader.c ..."
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"$CC" -c $LOADER_CFLAGS -o "$SRC_DIR/ReflectiveLoader.o" "$SRC_DIR/ReflectiveLoader.c"
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echo "Compiling ReflectiveDll.c (C++) ..."
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"$CXX" -c $CXXFLAGS -include "$SRC_DIR/seh_compat.h" -o "$SRC_DIR/ReflectiveDll.o" "$SRC_DIR/ReflectiveDll.c"
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echo "Compiling DXGICapture.c (C++) ..."
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"$CXX" -c $CXXFLAGS -include "$SRC_DIR/seh_compat.h" -o "$SRC_DIR/DXGICapture.o" "$SRC_DIR/DXGICapture.c"
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echo "Linking $DLL_NAME ..."
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LINK_OBJS="$SRC_DIR/ReflectiveLoader.o $SRC_DIR/ReflectiveDll.o $SRC_DIR/DXGICapture.o"
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if [ -n "${MINHOOK_OBJS:-}" ]; then
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LINK_OBJS="$LINK_OBJS $MINHOOK_OBJS"
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fi
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LINK_LIBS="-lkernel32 -luser32 -ladvapi32 -ld3d11 -ldxgi"
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if [ -n "${MINHOOK_LIB:-}" ] && [ -f "${MINHOOK_LIB}" ]; then
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LINK_LIBS="$LINK_LIBS $MINHOOK_LIB"
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fi
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"$CXX" -shared -o "$OUT_DIR/$DLL_NAME" $LINK_OBJS $LINK_LIBS \
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-Wl,--entry,DllMain \
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-Wl,--disable-runtime-pseudo-reloc \
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-fno-stack-protector \
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-fno-exceptions -fno-rtti \
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-static-libgcc -static-libstdc++ \
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-s
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echo "Built: $OUT_DIR/$DLL_NAME"
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ls -la "$OUT_DIR/$DLL_NAME"
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# Clean up object files
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rm -f "$SRC_DIR"/*.o
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if [ -d "$MINHOOK_DIR" ]; then
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find "$MINHOOK_DIR" -name '*.o' -delete
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fi
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echo "Done."
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Reference in New Issue
Block a user