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Don't hook all modules when loading an API set

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baldurk
2018-04-24 12:35:44 +01:00
parent 0442c46aff
commit 39d7bb3808
1 changed files with 28 additions and 2 deletions
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renderdoc/os/win32/win32_hook.cpp
+28 -2
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@@ -552,6 +552,32 @@ static void HookAllModules()
[](const MODULEENTRY32 &me32) { s_HookData->ApplyHooks(me32.szModule, me32.hModule); });
}
static bool IsAPISet(const wchar_t *filename)
{
if(wcschr(filename, L'/') != 0 || wcschr(filename, L'\\') != 0)
return false;
wchar_t match[] = L"api-ms-win";
if(wcslen(filename) < ARRAY_COUNT(match) - 1)
return false;
for(size_t i = 0; i < ARRAY_COUNT(match) - 1; i++)
if(towlower(filename[i]) != match[i])
return false;
return true;
}
static bool IsAPISet(const char *filename)
{
std::wstring wfn;
// assume ASCII not UTF, just upcast plainly to wchar_t
while(*filename)
wfn.push_back(wchar_t(*filename++));
return IsAPISet(wfn.c_str());
}
HMODULE WINAPI Hooked_LoadLibraryExA(LPCSTR lpLibFileName, HANDLE fileHandle, DWORD flags)
{
bool dohook = true;
@@ -570,7 +596,7 @@ HMODULE WINAPI Hooked_LoadLibraryExA(LPCSTR lpLibFileName, HANDLE fileHandle, DW
DWORD err = GetLastError();
if(dohook && mod)
if(dohook && mod && !IsAPISet(lpLibFileName))
HookAllModules();
SetLastError(err);
@@ -596,7 +622,7 @@ HMODULE WINAPI Hooked_LoadLibraryExW(LPCWSTR lpLibFileName, HANDLE fileHandle, D
DWORD err = GetLastError();
if(dohook && mod)
if(dohook && mod && !IsAPISet(lpLibFileName))
HookAllModules();
SetLastError(err);