mirror of
https://github.com/hfiref0x/WinObjEx64
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hfiref0x
72 lines
2.2 KiB
C
72 lines
2.2 KiB
C
/*******************************************************************************
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*
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* (C) COPYRIGHT AUTHORS, 2017 - 2025
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*
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* TITLE: EXTAPI.C
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*
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* VERSION: 2.09
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*
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* DATE: 19 Aug 2025
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*
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* Support unit for pre Windows 10 missing APIs.
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*
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* THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
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* ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED
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* TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
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* PARTICULAR PURPOSE.
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*
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*******************************************************************************/
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#include "global.h"
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EXTENDED_API_SET g_ExtApiSet;
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#define RESOLVE_API(set, mod, field, type, name) \
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set->field = (type)GetProcAddress(mod, name); \
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if (set->field) set->NumberOfAPI += 1;
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/*
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* ExApiSetInit
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*
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* Purpose:
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*
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* Initializes newest Windows version specific function pointers.
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*
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* Called once during supInit
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*
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*/
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NTSTATUS ExApiSetInit(
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VOID
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)
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{
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NTSTATUS Status;
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HMODULE hNtdll, hUser32;
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PEXTENDED_API_SET set = &g_ExtApiSet;
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RtlSecureZeroMemory(&g_ExtApiSet, sizeof(g_ExtApiSet));
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hNtdll = GetModuleHandle(TEXT("ntdll.dll"));
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if (hNtdll) {
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// Available since Windows 10 TH1.
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RESOLVE_API(set, hNtdll, NtOpenPartition, pfnNtOpenPartition, "NtOpenPartition");
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// Available since Windows 10 REDSTONE 1.
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RESOLVE_API(set, hNtdll, NtOpenRegistryTransaction, pfnNtOpenRegistryTransaction, "NtOpenRegistryTransaction");
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}
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//
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// User32 API introduced with Windows 8.
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//
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hUser32 = GetModuleHandle(TEXT("user32.dll"));
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if (hUser32) {
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RESOLVE_API(set, hUser32, IsImmersiveProcess, pfnIsImmersiveProcess, "IsImmersiveProcess");
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RESOLVE_API(set, hUser32, GetAwarenessFromDpiAwarenessContext, pfnGetAwarenessFromDpiAwarenessContext, "GetAwarenessFromDpiAwarenessContext");
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RESOLVE_API(set, hUser32, GetDpiForSystem, pfnGetDpiForSystem, "GetDpiForSystem");
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RESOLVE_API(set, hUser32, GetDpiForWindow, pfnGetDpiForWindow, "GetDpiForWindow");
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RESOLVE_API(set, hUser32, GetThreadDpiAwarenessContext, pfnGetThreadDpiAwarenessContext, "GetThreadDpiAwarenessContext");
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}
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Status = (g_ExtApiSet.NumberOfAPI == EXTAPI_ALL_MAPPED) ?
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STATUS_SUCCESS : STATUS_NOT_ALL_ASSIGNED;
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return Status;
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}
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