Don't crash if ran on unsupported windows

pplib/kerneloffsets.h

@@ -31,7 +31,7 @@ public:
 	static uint64_t objecttable;
 	static uint64_t vadroot;
 
-	static void init()
+	static bool init()
 	{
 		windows_version win_ver = get_windows_version();
 
@@ -40,16 +40,18 @@ public:
 		{
 		case WINDOWS7:
 			init_win7();
-			break;
+			return true;
 		case WINDOWS8:
 			init_win8();
-			break;
+			return true;
 		case WINDOWS81:
 			init_win81();
-			break;
+			return true;
 		case WINDOWS10:
 			init_win10();
-			break;
+			return true;
+		default:
+			return false;
 		}
 	}
 

pplib/pplib.cpp

@@ -6,9 +6,11 @@ using namespace native::structs;
 
 bool elevate_ppl()
 {
+	if (!kernel_offsets::init()) return false;
+
 	if (!init_exploit()) return false;
 
-	kernel_offsets::init();
+
 
 	execute_in_kernel([](MmGetSystemRoutineAddress_t _MmGetSystemRoutineAddress)
 	{

testpplib/main.cpp

@@ -3,7 +3,9 @@
 
 int main()
 {
-	elevate_ppl();
-	MessageBoxA(NULL, "Use ProcessHacker to check PPL status", "Paused", NULL);
+	if (elevate_ppl())
+		MessageBoxA(NULL, "Use ProcessHacker to check PPL status", "Paused", NULL);
+	else
+		MessageBoxA(NULL, "Something went wrong - probably unsuported windows version", "Error", MB_ICONERROR);
 	return 0;
 }