mirror of
https://github.com/valinet/ExplorerPatcher.git
synced 2024-11-15 11:33:16 +01:00
74 lines
2.1 KiB
C
74 lines
2.1 KiB
C
#include <Windows.h>
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#include <valinet/hooking/iatpatch.h>
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#include "ep_sm_forwards.h"
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#pragma comment(lib, "Dbghelp.lib")
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HMODULE hModule = NULL;
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HMODULE hOrig = NULL;
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wchar_t* (*pGetCmdArguments)(int*) = NULL;
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SRWLOCK lockInstanced = { .Ptr = SRWLOCK_INIT };
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BOOL bInstanced = FALSE;
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BOOL start_GetProductInfo(DWORD dwOSMajorVersion, DWORD dwOSMinorVersion, DWORD dwSpMajorVersion, DWORD dwSpMinorVersion, PDWORD pdwReturnedProductType)
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{
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*pdwReturnedProductType = 119;
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return TRUE;
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}
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void Init()
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{
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DWORD dwStartShowClassicMode = 0, dwSize = sizeof(DWORD);
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RegGetValueW(HKEY_CURRENT_USER, L"Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Advanced", L"Start_ShowClassicMode", RRF_RT_DWORD, NULL, &dwStartShowClassicMode, &dwSize);
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if (dwStartShowClassicMode)
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{
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VnPatchIAT(GetModuleHandleW(NULL), "api-ms-win-core-sysinfo-l1-2-0.dll", "GetProductInfo", start_GetProductInfo);
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}
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HMODULE hMod;
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GetModuleHandleExW(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS, hModule, &hMod);
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bInstanced = TRUE;
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}
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#pragma comment(linker, "/export:?GetCmdArguments@Details@Platform@@YAPEAPEA_WPEAH@Z=GetCmdArguments,@130")
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wchar_t* GetCmdArguments(int* a1)
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{
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AcquireSRWLockExclusive(&lockInstanced);
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if (!hOrig)
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{
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hOrig = LoadLibraryW(L"wincorlib_orig.dll");
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if (hOrig)
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{
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pGetCmdArguments = GetProcAddress(hOrig, "?GetCmdArguments@Details@Platform@@YAPEAPEA_WPEAH@Z");
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}
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}
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if (pGetCmdArguments)
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{
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if (!bInstanced) Init();
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ReleaseSRWLockExclusive(&lockInstanced);
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return pGetCmdArguments(a1);
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}
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ReleaseSRWLockExclusive(&lockInstanced);
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return NULL;
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}
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BOOL WINAPI DllMain(
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_In_ HINSTANCE hinstDLL,
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_In_ DWORD fdwReason,
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_In_ LPVOID lpvReserved
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)
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{
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switch (fdwReason)
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{
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case DLL_PROCESS_ATTACH:
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DisableThreadLibraryCalls(hinstDLL);
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hModule = hinstDLL;
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break;
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case DLL_THREAD_ATTACH:
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break;
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case DLL_THREAD_DETACH:
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break;
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case DLL_PROCESS_DETACH:
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break;
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}
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return TRUE;
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}
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