static void OnAttach(void)
{
gLog.OpenRelative(CSIDL_MYDOCUMENTS, "\\My Games\\Skyrim\\SKSE\\skse_steam_loader.log");
gLog.SetPrintLevel(IDebugLog::kLevel_Error);
gLog.SetLogLevel(IDebugLog::kLevel_DebugMessage);
FILETIME now;
GetSystemTimeAsFileTime(&now);
_MESSAGE("skse loader %08X (steam) %08X%08X %s", PACKED_SKSE_VERSION, now.dwHighDateTime, now.dwLowDateTime, GetOSInfoStr().c_str());
_MESSAGE("base addr = %08X", g_dllHandle);
UInt32 oldProtect;
_GetSystemTimeAsFileTime_IAT = (_GetSystemTimeAsFileTime *)GetIATAddr((UInt8 *)GetModuleHandle(NULL), "kernel32.dll", "GetSystemTimeAsFileTime");
if(_GetSystemTimeAsFileTime_IAT)
{
_MESSAGE("GetSystemTimeAsFileTime IAT = %08X", _GetSystemTimeAsFileTime_IAT);
VirtualProtect((void *)_GetSystemTimeAsFileTime_IAT, 4, PAGE_EXECUTE_READWRITE, &oldProtect);
_MESSAGE("original GetSystemTimeAsFileTime = %08X", *_GetSystemTimeAsFileTime_IAT);
GetSystemTimeAsFileTime_Original = *_GetSystemTimeAsFileTime_IAT;
*_GetSystemTimeAsFileTime_IAT = GetSystemTimeAsFileTime_Hook;
_MESSAGE("patched GetSystemTimeAsFileTime = %08X", *_GetSystemTimeAsFileTime_IAT);
UInt32 junk;
VirtualProtect((void *)_GetSystemTimeAsFileTime_IAT, 4, oldProtect, &junk);
}
else
{
_ERROR("couldn't read IAT");
}
// win8 automatically initializes the stack cookie, so the previous hook doesn't get hit
_GetStartupInfoA_IAT = (_GetStartupInfoA *)GetIATAddr((UInt8 *)GetModuleHandle(NULL), "kernel32.dll", "GetStartupInfoA");
if(_GetStartupInfoA_IAT)
{
_MESSAGE("GetStartupInfoA IAT = %08X", _GetStartupInfoA_IAT);
VirtualProtect((void *)_GetStartupInfoA_IAT, 4, PAGE_EXECUTE_READWRITE, &oldProtect);
_MESSAGE("original GetStartupInfoA = %08X", *_GetStartupInfoA_IAT);
GetStartupInfoA_Original = *_GetStartupInfoA_IAT;
*_GetStartupInfoA_IAT = GetStartupInfoA_Hook;
_MESSAGE("patched GetStartupInfoA = %08X", *_GetStartupInfoA_IAT);
UInt32 junk;
VirtualProtect((void *)_GetStartupInfoA_IAT, 4, oldProtect, &junk);
}
}
void Hooks_Debug_Init(void)
{
GetSystemTime(&s_launchTime);
UInt32 enableMiniDump = 0;
GetConfigOption_UInt32("Debug", "WriteMinidumps", &enableMiniDump);
if(enableMiniDump)
{
_MESSAGE("minidumps enabled");
// try to get dbghelp
s_dbgHelpDLL = LoadLibrary("dbghelp.dll");
if(s_dbgHelpDLL)
{
s_dbgHelpWriteDump = (_MiniDumpWriteDump)GetProcAddress(s_dbgHelpDLL, "MiniDumpWriteDump");
if(!s_dbgHelpWriteDump)
_WARNING("dbghelp missing MiniDumpWriteDump, upgrade to dbghelp 5.1 or later");
}
else
{
_MESSAGE("no dbghelp");
}
// we want to catch crashes from hook commit, apply exception filter in Init function
if(s_dbgHelpDLL && s_dbgHelpWriteDump)
{
// precalculate as much as possible
char myDocumentsPath[MAX_PATH];
ASSERT(SUCCEEDED(SHGetFolderPath(NULL, CSIDL_MYDOCUMENTS, NULL, SHGFP_TYPE_CURRENT, myDocumentsPath)));
sprintf_s(s_crashDumpPath, sizeof(s_crashDumpPath), "%s\\My Games\\Skyrim\\SKSE\\Crashdumps\\%04d-%02d-%02d_%02d.%02d.%02d.dmp", myDocumentsPath,
s_launchTime.wYear, s_launchTime.wMonth, s_launchTime.wDay,
s_launchTime.wHour, s_launchTime.wMinute, s_launchTime.wSecond);
IFileStream::MakeAllDirs(s_crashDumpPath);
// replace previous exception filter
s_oldExceptionFilter = SetUnhandledExceptionFilter(ExceptionFilter);
_MESSAGE("old exception filter = %08X", s_oldExceptionFilter);
// disable game overwriting exception filter
UInt32 thunkAddress = (UInt32)GetIATAddr((UInt8 *)GetModuleHandle(NULL), "kernel32.dll", "SetUnhandledExceptionFilter");
SafeWrite32(thunkAddress, (UInt32)SetUnhandledExceptionFilter_Hook);
}
}
}
static void HookIAT()
{
___telemetry_main_invoke_trigger * iat = (___telemetry_main_invoke_trigger *)GetIATAddr(GetModuleHandle(NULL), "VCRUNTIME140.dll", "__telemetry_main_invoke_trigger");
if(iat)
{
_MESSAGE("found iat at %016I64X", iat);
__telemetry_main_invoke_trigger_Original = *iat;
_MESSAGE("original thunk %016I64X", __telemetry_main_invoke_trigger_Original);
SafeWrite64(uintptr_t(iat), (UInt64)__telemetry_main_invoke_trigger_Hook);
_MESSAGE("patched iat");
}
else
{
_MESSAGE("couldn't find __telemetry_main_invoke_trigger");
}
}
