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53 lines
929 B
C
53 lines
929 B
C
#include "gdi32api.h"
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HINSTANCE g_hInstance;
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PGDI_TABLE_ENTRY GdiHandleTable;
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BOOL
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IsFunctionPresent(LPWSTR lpszFunction)
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{
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return TRUE;
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}
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static
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PGDI_TABLE_ENTRY
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MyGdiQueryTable()
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{
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PTEB pTeb = NtCurrentTeb();
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PPEB pPeb = pTeb->ProcessEnvironmentBlock;
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return pPeb->GdiSharedHandleTable;
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}
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BOOL
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IsHandleValid(HGDIOBJ hobj)
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{
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USHORT Index = (ULONG_PTR)hobj;
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PGDI_TABLE_ENTRY pentry = &GdiHandleTable[Index];
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if (pentry->KernelData == NULL ||
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pentry->KernelData < (PVOID)0x80000000 ||
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(USHORT)pentry->FullUnique != (USHORT)((ULONG_PTR)hobj >> 16))
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{
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return FALSE;
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}
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return TRUE;
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}
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int APIENTRY
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WinMain(HINSTANCE hInstance,
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HINSTANCE hPrevInstance,
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LPSTR lpCmdLine,
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int nCmdShow)
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{
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g_hInstance = hInstance;
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GdiHandleTable = MyGdiQueryTable();
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if(!GdiHandleTable)
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{
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return -1;
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}
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return TestMain(L"gdi32api", L"gdi32.dll");
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}
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