GEEKING

App/script/LuaVM.cpp

@@ -0,0 +1,60 @@
+#include "stdafx.h"
+#include "script/LuaVM.h"
+#include "v8datamodel/HackDefines.h"
+#include "v8datamodel/DataModel.h"
+#include "security/FuzzyTokens.h"
+#include "security/ApiSecurity.h"
+
+#include "script/ScriptContext.h"
+#include "network/api.h"
+
+#include "luaconf.h"
+
+#include "VMProtectSDK.h"
+
+struct lua_State;
+
+// If you are getting to this point in a debugger, you probably added a lua_*
+// call to one of the VM protected sections.
+void lua_vmhooked_handler(lua_State* L) {
+    VMProtectBeginVirtualization(NULL);
+    RBX::Tokens::sendStatsToken.addFlagFast(HATE_LUA_VM_HOOKED);
+    RBX::DataModel* dm = RBX::DataModel::get(RobloxExtraSpace::get(L)->context());
+    if (dm)
+    {
+        dm->addHackFlag(HATE_LUA_VM_HOOKED);
+    }
+    VMProtectEnd();
+};
+
+#ifdef RBX_SECURE_DOUBLE
+RBX_ALIGN(16) int LuaSecureDouble::luaXorMask[4];
+
+// For lua, create a random bitstring to use for doubles.
+// Mainly care about the exponent bits.  This ensures at least one of the top 7 exp
+// bits gets changed.
+void LuaSecureDouble::initDouble()
+{
+    uint32_t luaRandMask;
+    do
+    {
+        luaRandMask = (rand() << 16) | rand();
+    } while ((luaRandMask & 0x7F000000) == 0);
+
+    for (int i = 0; i < sizeof(LuaSecureDouble::luaXorMask)/sizeof(int); ++i)
+    {
+        LuaSecureDouble::luaXorMask[i] = luaRandMask;
+    }
+}
+#endif
+
+#ifdef _WIN32
+// used for the patching process.  this is the .text section, 
+// fallback defaults are to start at 0x00400000 and be 20MB
+namespace RBX { namespace Security {
+    // All of the .text
+    volatile const uintptr_t rbxTextBase = 0x00400000;
+    volatile const size_t rbxTextSize = 0xFFFFFFFF;
+}
+}
+#endif