remove old backstage injection and remove all legacy code

scripts/build-backstage-dll.bat

@@ -13,7 +13,6 @@ set "CRATE_DIR=%ROOT%BackstageInjection-Rust"
 set "OUT_DIR=%ROOT%Overlord-Server\dist-clients"
 set "TARGET=x86_64-pc-windows-gnu"
 set "DLL_NAME=BackstageInjection.x64.dll"
-set "LEGACY_DLL_NAME=BackstageInjection.legacy.x64.dll"
 
 where cargo >nul 2>&1
 if %ERRORLEVEL% neq 0 (
@@ -24,7 +23,6 @@ if %ERRORLEVEL% neq 0 (
 if not exist "%OUT_DIR%" mkdir "%OUT_DIR%"
 
 echo Building randomized BackstageInjection DLL for %TARGET% ...
-set "BACKSTAGE_LOADER_EXPORT="
 set "BACKSTAGE_LOADER_SEED=%RANDOM%%RANDOM%%RANDOM%"
 cargo build --release --target %TARGET% --manifest-path "%CRATE_DIR%\Cargo.toml"
 if %ERRORLEVEL% neq 0 goto :error
@@ -35,20 +33,11 @@ if not exist "%SRC_DLL%" goto :error
 copy /y "%SRC_DLL%" "%OUT_DIR%\%DLL_NAME%" >nul
 if %ERRORLEVEL% neq 0 goto :error
 
-echo Building legacy BackstageInjection DLL for %TARGET% ...
-set "BACKSTAGE_LOADER_SEED="
-set "BACKSTAGE_LOADER_EXPORT=ReflectiveLoader"
-cargo build --release --target %TARGET% --manifest-path "%CRATE_DIR%\Cargo.toml"
-if %ERRORLEVEL% neq 0 goto :error
-copy /y "%SRC_DLL%" "%OUT_DIR%\%LEGACY_DLL_NAME%" >nul
-if %ERRORLEVEL% neq 0 goto :error
-
 echo.
 echo Built: %OUT_DIR%\%DLL_NAME%
-echo Built: %OUT_DIR%\%LEGACY_DLL_NAME%
 exit /b 0
 
 :error
 echo.
 echo BUILD FAILED
-exit /b 1
+exit /b 1

scripts/build-backstage-dll.sh

@@ -16,7 +16,6 @@ CRATE_DIR="${BACKSTAGE_CRATE_DIR:-BackstageInjection-Rust}"
 OUT_DIR="${BACKSTAGE_OUT_DIR:-Overlord-Server/dist-clients}"
 TARGET="x86_64-pc-windows-gnu"
 DLL_NAME="BackstageInjection.x64.dll"
-LEGACY_DLL_NAME="BackstageInjection.legacy.x64.dll"
 
 if ! command -v cargo >/dev/null 2>&1; then
   echo "ERROR: cargo not found. Install a Rust toolchain (rustup)."
@@ -38,7 +37,7 @@ fi
 mkdir -p "$OUT_DIR"
 
 echo "Building randomized Rust BackstageInjection DLL ($TARGET) ..."
-env -u BACKSTAGE_LOADER_EXPORT BACKSTAGE_LOADER_SEED="${BACKSTAGE_FRESH:-$(date +%s%N)}" \
+BACKSTAGE_LOADER_SEED="${BACKSTAGE_FRESH:-$(date +%s%N)}" \
   cargo build --release --target "$TARGET" --manifest-path "$CRATE_DIR/Cargo.toml"
 
 SRC_DLL="$CRATE_DIR/target/$TARGET/release/BackstageInjection.dll"
@@ -51,11 +50,4 @@ cp -f "$SRC_DLL" "$OUT_DIR/$DLL_NAME"
 echo "Built: $OUT_DIR/$DLL_NAME"
 ls -la "$OUT_DIR/$DLL_NAME"
 
-echo "Building legacy Rust BackstageInjection DLL ($TARGET) ..."
-BACKSTAGE_LOADER_EXPORT=ReflectiveLoader \
-  cargo build --release --target "$TARGET" --manifest-path "$CRATE_DIR/Cargo.toml"
-cp -f "$SRC_DLL" "$OUT_DIR/$LEGACY_DLL_NAME"
-echo "Built: $OUT_DIR/$LEGACY_DLL_NAME"
-ls -la "$OUT_DIR/$LEGACY_DLL_NAME"
-
-echo "Done."
+echo "Done."

scripts/generate-wire-protocol.ts

@@ -10,6 +10,7 @@ type Contract = {
     defaultVersion: 1;
     overrides: Record<string, {
       latestVersion: number;
+      minVersion?: number;
       changes: Record<string, {
         breaking: true;
         summary: string;
@@ -62,6 +63,14 @@ for (const [command, override] of Object.entries(contract.commandVersioning.over
   if (!Number.isInteger(override.latestVersion) || override.latestVersion < 2) {
     throw new Error(`latestVersion for ${command} must be at least 2`);
   }
+  if (
+    override.minVersion !== undefined &&
+    (!Number.isInteger(override.minVersion) ||
+      override.minVersion < 1 ||
+      override.minVersion > override.latestVersion)
+  ) {
+    throw new Error(`minVersion for ${command} must be an integer between 1 and latestVersion`);
+  }
   for (let version = 2; version <= override.latestVersion; version += 1) {
     const change = override.changes[String(version)];
     if (
@@ -112,7 +121,7 @@ const commandVersionSupport = Object.fromEntries(
   commands.map((command) => [
     command,
     {
-      min: 1,
+      min: contract.commandVersioning.overrides[command]?.minVersion ?? 1,
       max: contract.commandVersioning.overrides[command]?.latestVersion ?? 1,
     },
   ]),

scripts/obfuscate-strings.py

@@ -3,7 +3,7 @@
 Generate _OBF_CHR sequences for compile-time string obfuscation (ROT16).
 
 Usage:
-    python scripts/obfuscate-strings.py ReflectiveLoader
+    python scripts/obfuscate-strings.py "ntdll.dll"
     python scripts/obfuscate-strings.py "ntdll.dll" "RtlAddFunctionTable"
 
 Outputs a C array initializer using _OBF_CHR() for each character.
@@ -23,7 +23,7 @@ def obfuscate(s):
 def main():
     if len(sys.argv) < 2:
         print("Usage: python obfuscate-strings.py STRING [STRING...]", file=sys.stderr)
-        print("Example: python obfuscate-strings.py ReflectiveLoader", file=sys.stderr)
+        print("Example: python scripts/obfuscate-strings.py \"ntdll.dll\"", file=sys.stderr)
         sys.exit(1)
 
     for arg in sys.argv[1:]: