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fix ddraw unprotecting

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Silent 2017-05-17 00:36:09 +02:00
parent 64168d3301
commit a17495fdbc
1 changed files with 11 additions and 9 deletions
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20
DDraw/dllmain.cpp
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@ -200,21 +200,23 @@ void PatchIAT()
DWORD dwProtect;
VirtualProtect((LPVOID)((ptrdiff_t)hInstance + pSection->VirtualAddress), pSection->Misc.VirtualSize, PAGE_EXECUTE_READ, &dwProtect);
if ( (pSection->Characteristics & IMAGE_SCN_CNT_CODE) == 0 )
DWORD Characteristics = pSection->Characteristics;
if ( (Characteristics & IMAGE_SCN_CNT_CODE) == 0 )
{
pSection->Characteristics |= IMAGE_SCN_CNT_CODE;
ntHeader->OptionalHeader.SizeOfCode += pSection->Misc.VirtualSize;
Characteristics |= IMAGE_SCN_CNT_CODE;
Memory::VP::Patch( &ntHeader->OptionalHeader.SizeOfCode, ntHeader->OptionalHeader.SizeOfCode + pSection->Misc.VirtualSize );
}
if ( (pSection->Characteristics & IMAGE_SCN_CNT_INITIALIZED_DATA) != 0 )
if ( (Characteristics & IMAGE_SCN_CNT_INITIALIZED_DATA) != 0 )
{
pSection->Characteristics &= ~(IMAGE_SCN_CNT_INITIALIZED_DATA);
ntHeader->OptionalHeader.SizeOfInitializedData -= pSection->Misc.VirtualSize;
Characteristics &= ~(IMAGE_SCN_CNT_INITIALIZED_DATA);
Memory::VP::Patch( &ntHeader->OptionalHeader.SizeOfInitializedData, ntHeader->OptionalHeader.SizeOfInitializedData - pSection->Misc.VirtualSize );
}
if ( (pSection->Characteristics & IMAGE_SCN_CNT_UNINITIALIZED_DATA) != 0 )
if ( (Characteristics & IMAGE_SCN_CNT_UNINITIALIZED_DATA) != 0 )
{
pSection->Characteristics &= ~(IMAGE_SCN_CNT_UNINITIALIZED_DATA);
ntHeader->OptionalHeader.SizeOfUninitializedData -= pSection->Misc.VirtualSize;
Characteristics &= ~(IMAGE_SCN_CNT_UNINITIALIZED_DATA);
Memory::VP::Patch( &ntHeader->OptionalHeader.SizeOfUninitializedData, ntHeader->OptionalHeader.SizeOfUninitializedData - pSection->Misc.VirtualSize );
}
Memory::VP::Patch( &pSection->Characteristics, Characteristics );
break;
}
}