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// DLLExports.cpp
#include "StdAfx.h"
#include "Common/MyInitGuid.h"
#include "Common/ComTry.h"
#include "7zAES.h"
/*
// {23170F69-40C1-278B-0703-000000000000}
DEFINE_GUID(CLSID_CCrypto_Hash_SHA256,
0x23170F69, 0x40C1, 0x278B, 0x07, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00);
*/
// {23170F69-40C1-278B-06F1-070100000100}
DEFINE_GUID(CLSID_CCrypto7zAESEncoder,
0x23170F69, 0x40C1, 0x278B, 0x06, 0xF1, 0x07, 0x01, 0x00, 0x00, 0x01, 0x00);
// {23170F69-40C1-278B-06F1-070100000000}
DEFINE_GUID(CLSID_CCrypto7zAESDecoder,
0x23170F69, 0x40C1, 0x278B, 0x06, 0xF1, 0x07, 0x01, 0x00, 0x00, 0x00, 0x00);
HINSTANCE g_hInstance;
#ifndef _UNICODE
bool g_IsNT = false;
static bool IsItWindowsNT()
{
OSVERSIONINFO versionInfo;
versionInfo.dwOSVersionInfoSize = sizeof(versionInfo);
if (!::GetVersionEx(&versionInfo))
return false;
return (versionInfo.dwPlatformId == VER_PLATFORM_WIN32_NT);
}
#endif
extern "C"
BOOL WINAPI DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID /*lpReserved*/)
{
if (dwReason == DLL_PROCESS_ATTACH)
{
g_hInstance = hInstance;
#ifndef _UNICODE
g_IsNT = IsItWindowsNT();
#endif
}
return TRUE;
}
STDAPI CreateObject(const GUID *clsid, const GUID *iid, void **outObject)
{
COM_TRY_BEGIN
*outObject = 0;
int correctInterface = (*iid == IID_ICompressFilter);
CMyComPtr<ICompressFilter> filter;
if (*clsid == CLSID_CCrypto7zAESDecoder)
{
if (!correctInterface)
return E_NOINTERFACE;
filter = (ICompressFilter *)new NCrypto::NSevenZ::CDecoder();
}
else if (*clsid == CLSID_CCrypto7zAESEncoder)
{
if (!correctInterface)
return E_NOINTERFACE;
filter = (ICompressFilter *)new NCrypto::NSevenZ::CEncoder();
}
else
return CLASS_E_CLASSNOTAVAILABLE;
*outObject = filter.Detach();
COM_TRY_END
return S_OK;
}
STDAPI GetNumberOfMethods(UINT32 *numMethods)
{
*numMethods = 1;
return S_OK;
}
STDAPI GetMethodProperty(UINT32 index, PROPID propID, PROPVARIANT *value)
{
if (index != 0)
return E_INVALIDARG;
::VariantClear((tagVARIANT *)value);
switch(propID)
{
case NMethodPropID::kID:
{
const char id[] = { 0x06, (char)(unsigned char)0xF1, 0x07, 0x01 };
if ((value->bstrVal = ::SysAllocStringByteLen(id, sizeof(id))) != 0)
value->vt = VT_BSTR;
return S_OK;
}
case NMethodPropID::kName:
if ((value->bstrVal = ::SysAllocString(L"7zAES")) != 0)
value->vt = VT_BSTR;
return S_OK;
case NMethodPropID::kDecoder:
if ((value->bstrVal = ::SysAllocStringByteLen(
(const char *)&CLSID_CCrypto7zAESDecoder, sizeof(GUID))) != 0)
value->vt = VT_BSTR;
return S_OK;
case NMethodPropID::kEncoder:
if ((value->bstrVal = ::SysAllocStringByteLen(
(const char *)&CLSID_CCrypto7zAESEncoder, sizeof(GUID))) != 0)
value->vt = VT_BSTR;
return S_OK;
}
return S_OK;
}
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