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176 lines
3.9 KiB
176 lines
3.9 KiB
#include "pch.h"
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#pragma hdrstop
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#define INITGUID
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#include <initguid.h>
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#include "iids.h"
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#define DECL_CRTFREE
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#include <crtfree.h>
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HINSTANCE g_hInstance = NULL;
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LONG g_cRef = 0;
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EXTERN_C BOOL DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID pReserved)
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{
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switch ( dwReason )
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{
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case DLL_PROCESS_ATTACH:
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ClassCache_Init();
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TraceSetMaskFromCLSID(CLSID_DsPropertyPages);
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g_hInstance = hInstance;
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break;
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case DLL_PROCESS_DETACH:
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ClassCache_Discard();
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break;
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}
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return TRUE;
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}
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// lifetime
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STDAPI_(void) DllAddRef()
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{
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InterlockedIncrement(&g_cRef);
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}
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STDAPI_(void) DllRelease()
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{
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Assert( 0 != g_cRef );
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InterlockedDecrement(&g_cRef);
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}
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STDAPI DllCanUnloadNow(VOID)
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{
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return (g_cRef > 0) ? S_FALSE : S_OK;
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}
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// class factory
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CF_TABLE_BEGIN(g_ObjectInfo)
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CF_TABLE_ENTRY( &CLSID_DsPropertyPages, CDsPropertyPages_CreateInstance, COCREATEONLY),
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CF_TABLE_ENTRY( &CLSID_DsDomainTreeBrowser, CDsDomainTreeBrowser_CreateInstance, COCREATEONLY),
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CF_TABLE_ENTRY( &CLSID_DsVerbs, CDsVerbs_CreateInstance, COCREATEONLY),
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CF_TABLE_ENTRY( &CLSID_DsDisplaySpecifier, CDsDisplaySpecifier_CreateInstance, COCREATEONLY),
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CF_TABLE_END(g_ObjectInfo)
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STDAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, void **ppv)
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{
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if (IsEqualIID(riid, IID_IClassFactory) || IsEqualIID(riid, IID_IUnknown))
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{
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for (LPCOBJECTINFO pcls = g_ObjectInfo; pcls->pclsid; pcls++)
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{
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if (IsEqualGUID(rclsid, *(pcls->pclsid)))
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{
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*ppv = (void*)pcls;
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DllAddRef();
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return NOERROR;
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}
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}
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}
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*ppv = NULL;
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return CLASS_E_CLASSNOTAVAILABLE;
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}
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// registration
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STDAPI DllRegisterServer(VOID)
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{
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return CallRegInstall(GLOBAL_HINSTANCE, "RegDll");
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}
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STDAPI DllUnregisterServer(VOID)
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{
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return CallRegInstall(GLOBAL_HINSTANCE, "UnRegDll");
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}
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STDAPI DllInstall(BOOL bInstall, LPCWSTR pszCmdLine)
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{
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return S_OK;
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}
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// static class factory
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STDMETHODIMP CClassFactory::QueryInterface(REFIID riid, void **ppvObj)
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{
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if (IsEqualIID(riid, IID_IClassFactory) || IsEqualIID(riid, IID_IUnknown))
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{
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*ppvObj = (void *)GET_ICLASSFACTORY(this);
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InterlockedIncrement(&g_cRef);
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return NOERROR;
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}
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*ppvObj = NULL;
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return E_NOINTERFACE;
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}
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STDMETHODIMP_(ULONG) CClassFactory::AddRef()
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{
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return InterlockedIncrement(&g_cRef);
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}
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STDMETHODIMP_(ULONG) CClassFactory::Release()
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{
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Assert( 0 != g_cRef );
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InterlockedDecrement(&g_cRef);
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//
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// TODO: gpease 27-FEB-2002
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// Why isn't this object destroyed on a zero ref count? If it is by design
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// then why even bother with a ref counter?
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//
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return 1;
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}
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STDMETHODIMP CClassFactory::CreateInstance(IUnknown *punkOuter, REFIID riid, void **ppv)
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{
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*ppv = NULL;
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if (punkOuter && !IsEqualIID(riid, IID_IUnknown))
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{
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// It is technically illegal to aggregate an object and request
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// any interface other than IUnknown. Enforce this.
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//
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return CLASS_E_NOAGGREGATION;
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}
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else
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{
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LPOBJECTINFO pthisobj = (LPOBJECTINFO)this;
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if ( punkOuter )
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return CLASS_E_NOAGGREGATION;
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IUnknown *punk;
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HRESULT hres = pthisobj->pfnCreateInstance(punkOuter, &punk, pthisobj);
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if (SUCCEEDED(hres))
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{
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hres = punk->QueryInterface(riid, ppv);
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punk->Release();
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}
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return hres;
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}
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}
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STDMETHODIMP CClassFactory::LockServer(BOOL fLock)
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{
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if (fLock)
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{
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InterlockedIncrement(&g_cRef);
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}
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else
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{
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Assert( 0 != g_cRef );
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InterlockedDecrement(&g_cRef);
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}
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return S_OK;
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}
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