| 364 | |
| 365 | |
| 366 | static void |
| 367 | patchModule(HMODULE hModule, |
| 368 | const char *szModule, |
| 369 | Action action) |
| 370 | { |
| 371 | /* Never patch this module */ |
| 372 | if (hModule == g_hThisModule) { |
| 373 | return; |
| 374 | } |
| 375 | |
| 376 | /* Never patch our hook module */ |
| 377 | if (hModule == g_hHookModule) { |
| 378 | return; |
| 379 | } |
| 380 | |
| 381 | /* Hook modules only once */ |
| 382 | if (action == ACTION_HOOK) { |
| 383 | std::pair< std::set<HMODULE>::iterator, bool > ret; |
| 384 | EnterCriticalSection(&g_Mutex); |
| 385 | ret = g_hHookedModules.insert(hModule); |
| 386 | LeaveCriticalSection(&g_Mutex); |
| 387 | if (!ret.second) { |
| 388 | return; |
| 389 | } |
| 390 | } |
| 391 | |
| 392 | if (VERBOSITY > 0) { |
| 393 | debugPrintf("inject: found module %s\n", szModule); |
| 394 | } |
| 395 | |
| 396 | const char *szBaseName = getBaseName(szModule); |
| 397 | |
| 398 | if (stricmp(szBaseName, "opengl32.dll") != 0 && |
| 399 | stricmp(szBaseName, "dxgi.dll") != 0 && |
| 400 | stricmp(szBaseName, "d3d10.dll") != 0 && |
| 401 | stricmp(szBaseName, "d3d10_1.dll") != 0 && |
| 402 | stricmp(szBaseName, "d3d11.dll") != 0 && |
| 403 | stricmp(szBaseName, "d3d9.dll") != 0 && |
| 404 | stricmp(szBaseName, "d3d8.dll") != 0 && |
| 405 | stricmp(szBaseName, "ddraw.dll") != 0 && |
| 406 | stricmp(szBaseName, "dcomp.dll") != 0 && |
| 407 | stricmp(szBaseName, "dxva2.dll") != 0 && |
| 408 | stricmp(szBaseName, "d2d1.dll") != 0 && |
| 409 | stricmp(szBaseName, "dwrite.dll") != 0) { |
| 410 | return; |
| 411 | } |
| 412 | |
| 413 | PIMAGE_EXPORT_DIRECTORY pExportDescriptor = getExportDescriptor(g_hHookModule); |
| 414 | assert(pExportDescriptor); |
| 415 | |
| 416 | DWORD *pAddressOfNames = (DWORD *)((BYTE *)g_hHookModule + pExportDescriptor->AddressOfNames); |
| 417 | for (DWORD i = 0; i < pExportDescriptor->NumberOfNames; ++i) { |
| 418 | const char *szFunctionName = (const char *)((BYTE *)g_hHookModule + pAddressOfNames[i]); |
| 419 | |
| 420 | LPVOID lpOrigAddress = (LPVOID)RealGetProcAddress(hModule, szFunctionName); |
| 421 | if (lpOrigAddress) { |
| 422 | LPVOID lpHookAddress = (LPVOID)RealGetProcAddress(g_hHookModule, szFunctionName); |
| 423 | assert(lpHookAddress); |
no test coverage detected