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142 lines
3.8 KiB
142 lines
3.8 KiB
//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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//
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// Copyright (C) Microsoft Corporation, 1999 - 1999
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//
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// File: mmcshext.cpp
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//
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//--------------------------------------------------------------------------
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// mmcshext.cpp : Implementation of DLL Exports.
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// Note: Proxy/Stub Information
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// To build a separate proxy/stub DLL,
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// run nmake -f mmcshextps.mk in the project directory.
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#include "stdafx.h"
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#include "resource.h"
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#include <initguid.h>
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#include <shlobj.h>
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#include <shlguid.h>
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#include "Extract.h"
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#include "hhcwrap.h"
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#include "picon.h"
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#include "modulepath.h"
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#include <atlimpl.cpp>
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CComModule _Module;
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static void RemovePathFromInProcServerEntry (REFCLSID rclsid);
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BEGIN_OBJECT_MAP(ObjectMap)
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OBJECT_ENTRY(CLSID_ExtractIcon, CExtractIcon)
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OBJECT_ENTRY(CLSID_HHCollectionWrapper, CHHCollectionWrapper)
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END_OBJECT_MAP()
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/////////////////////////////////////////////////////////////////////////////
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// DLL Entry Point
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extern "C"
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BOOL WINAPI DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID /*lpReserved*/)
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{
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if (dwReason == DLL_PROCESS_ATTACH)
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{
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_Module.Init(ObjectMap, hInstance);
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DisableThreadLibraryCalls(hInstance);
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}
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else if (dwReason == DLL_PROCESS_DETACH)
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_Module.Term();
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return TRUE; // ok
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}
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/////////////////////////////////////////////////////////////////////////////
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// Used to determine whether the DLL can be unloaded by OLE
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STDAPI DllCanUnloadNow(void)
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{
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return (_Module.GetLockCount()==0) ? S_OK : S_FALSE;
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}
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/////////////////////////////////////////////////////////////////////////////
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// Returns a class factory to create an object of the requested type
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STDAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID* ppv)
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{
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return _Module.GetClassObject(rclsid, riid, ppv);
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}
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/////////////////////////////////////////////////////////////////////////////
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// DllRegisterServer - Adds entries to the system registry
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STDAPI DllRegisterServer(void)
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{
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// registers object, typelib and all interfaces in typelib
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HRESULT hr = _Module.RegisterServer(FALSE);
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if (hr == S_OK)
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{
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// remove full module path that ATL adds by default
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RemovePathFromInProcServerEntry(CLSID_ExtractIcon);
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RemovePathFromInProcServerEntry(CLSID_HHCollectionWrapper);
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}
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return hr;
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}
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/////////////////////////////////////////////////////////////////////////////
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// DllUnregisterServer - Removes entries from the system registry
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STDAPI DllUnregisterServer(void)
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{
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return _Module.UnregisterServer();
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}
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static void RemovePathFromInProcServerEntry (REFCLSID rclsid)
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{
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// Convert the CLSID to a string
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USES_CONVERSION;
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LPOLESTR lpOleStr;
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HRESULT hr = StringFromCLSID (rclsid, &lpOleStr);
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if (FAILED(hr))
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return;
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if (lpOleStr != NULL)
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{
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// Re-register the InProcServer key without the path
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TCHAR szSubKey[MAX_PATH];
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_tcscpy (szSubKey, _T("CLSID\\"));
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_tcscat (szSubKey, OLE2T(lpOleStr));
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_tcscat (szSubKey, _T("\\InprocServer32"));
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CoTaskMemFree(lpOleStr);
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::ATL::CRegKey regkey;
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long lRes = regkey.Open(HKEY_CLASSES_ROOT, szSubKey);
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ASSERT(lRes == ERROR_SUCCESS);
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if (lRes == ERROR_SUCCESS)
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{
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CStr strPath = _T("mmcshext.dll");
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// try to get absolute path value
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CStr strAbsolute = CModulePath::MakeAbsoluteModulePath( strPath );
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if ( strAbsolute.GetLength() > 0 )
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strPath = strAbsolute;
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// see what type of value we need to put
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DWORD dwValueType = CModulePath::PlatformSupports_REG_EXPAND_SZ_Values() ?
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REG_EXPAND_SZ : REG_SZ;
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lRes = RegSetValueEx( regkey, NULL, 0, dwValueType,
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(CONST BYTE *)((LPCTSTR)strPath),
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(strPath.GetLength() + 1) * sizeof(TCHAR) );
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ASSERT(lRes == ERROR_SUCCESS);
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}
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}
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}
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