Leaked source code of windows server 2003
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6.9 KiB

//==============================================================;
//
// This source code is only intended as a supplement to existing Microsoft documentation.
//
//
//
//
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
// KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR
// PURPOSE.
//
// Copyright (C) 1999 Microsoft Corporation. All Rights Reserved.
//
//
//
//==============================================================;
#include <objbase.h>
#include <olectl.h>
#include <initguid.h>
#include "guids.h"
#include "basesnap.h"
#include "Comp.h"
#include "CompData.h"
#include "About.h"
#include "Registry.h"
#include "Extend.h"
// our globals
HINSTANCE g_hinst;
// list all nodes that are extendable here
// List the GUID and then the description
// terminate with a NULL, NULL set.
NODESTRUCT g_Nodes[] = {
{ 0xc094012c, 0x6be7, 0x11d3, {0x91, 0x56, 0x0, 0xc0, 0x4f, 0x65, 0xb3, 0xf9},
_T("Snap-in Static Node")},
{ 0x96713509, 0x6be7, 0x11d3, {0x91, 0x56, 0x0, 0xc0, 0x4f, 0x65, 0xb3, 0xf9} ,
_T("People-powered Vehicles Scope Item")},
{ 0x9671350a, 0x6be7, 0x11d3, {0x91, 0x56, 0x0, 0xc0, 0x4f, 0x65, 0xb3, 0xf9},
_T("Bicyles Scope Item")},
{ 0x9671350b, 0x6be7, 0x11d3, {0x91, 0x56, 0x0, 0xc0, 0x4f, 0x65, 0xb3, 0xf9} ,
_T("Skate Boards Scope Item")},
{ 0x9e3ff365, 0x6be7, 0x11d3, {0x91, 0x56, 0x0, 0xc0, 0x4f, 0x65, 0xb3, 0xf9} ,
_T("Ice Skates Scope Item")},
{ 0x9e3ff366, 0x6be7, 0x11d3, {0x91, 0x56, 0x0, 0xc0, 0x4f, 0x65, 0xb3, 0xf9},
_T("Bicyle Result Item")},
{ 0xa6707e01, 0x6be7, 0x11d3, {0x91, 0x56, 0x0, 0xc0, 0x4f, 0x65, 0xb3, 0xf9},
_T("Skateboard Result Item")},
{ 0xa6707e02, 0x6be7, 0x11d3, {0x91, 0x56, 0x0, 0xc0, 0x4f, 0x65, 0xb3, 0xf9} ,
_T("IceSkate Result Item")},
{ 0x8512760b, 0x6be7, 0x11d3, {0x91, 0x56, 0x0, 0xc0, 0x4f, 0x65, 0xb3, 0xf9},
_T("Land-based Vehicles Scope Item")},
{ 0xb17867b9, 0x6be7, 0x11d3, {0x91, 0x56, 0x0, 0xc0, 0x4f, 0x65, 0xb3, 0xf9},
_T("Sky-based Vehicles Scope Item")},
{ 0xb95e11f4, 0x6be7, 0x11d3, {0x91, 0x56, 0x0, 0xc0, 0x4f, 0x65, 0xb3, 0xf9},
_T("Future Vehicles Scope Item")},
{ 0xb95e11f5, 0x6be7, 0x11d3, {0x91, 0x56, 0x0, 0xc0, 0x4f, 0x65, 0xb3, 0xf9} ,
_T("Rocket Result Item")},
{NULL, NULL}
};
BOOL WINAPI DllMain(HINSTANCE hinstDLL,
DWORD fdwReason,
void* lpvReserved)
{
if (fdwReason == DLL_PROCESS_ATTACH) {
g_hinst = hinstDLL;
}
return TRUE;
}
STDAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppvObj)
{
if ((rclsid != CLSID_CComponentData) && (rclsid != CLSID_CSnapinAbout))
return CLASS_E_CLASSNOTAVAILABLE;
if (!ppvObj)
return E_FAIL;
*ppvObj = NULL;
// We can only hand out IUnknown and IClassFactory pointers. Fail
// if they ask for anything else.
if (!IsEqualIID(riid, IID_IUnknown) && !IsEqualIID(riid, IID_IClassFactory))
return E_NOINTERFACE;
CClassFactory *pFactory = NULL;
// make the factory passing in the creation function for the type of object they want
if (rclsid == CLSID_CComponentData)
pFactory = new CClassFactory(CClassFactory::COMPONENT);
else if (rclsid == CLSID_CSnapinAbout)
pFactory = new CClassFactory(CClassFactory::ABOUT);
if (NULL == pFactory)
return E_OUTOFMEMORY;
HRESULT hr = pFactory->QueryInterface(riid, ppvObj);
return hr;
}
STDAPI DllCanUnloadNow(void)
{
if (g_uObjects == 0 && g_uSrvLock == 0)
return S_OK;
else
return S_FALSE;
}
CClassFactory::CClassFactory(FACTORY_TYPE factoryType)
: m_cref(0), m_factoryType(factoryType)
{
OBJECT_CREATED
}
CClassFactory::~CClassFactory()
{
OBJECT_DESTROYED
}
STDMETHODIMP CClassFactory::QueryInterface(REFIID riid, LPVOID *ppv)
{
if (!ppv)
return E_FAIL;
*ppv = NULL;
if (IsEqualIID(riid, IID_IUnknown))
*ppv = static_cast<IClassFactory *>(this);
else
if (IsEqualIID(riid, IID_IClassFactory))
*ppv = static_cast<IClassFactory *>(this);
if (*ppv)
{
reinterpret_cast<IUnknown *>(*ppv)->AddRef();
return S_OK;
}
return E_NOINTERFACE;
}
STDMETHODIMP_(ULONG) CClassFactory::AddRef()
{
return InterlockedIncrement((LONG *)&m_cref);
}
STDMETHODIMP_(ULONG) CClassFactory::Release()
{
if (InterlockedDecrement((LONG *)&m_cref) == 0)
{
delete this;
return 0;
}
return m_cref;
}
STDMETHODIMP CClassFactory::CreateInstance(LPUNKNOWN pUnkOuter, REFIID riid, LPVOID * ppvObj)
{
HRESULT hr;
void* pObj;
if (!ppvObj)
return E_FAIL;
*ppvObj = NULL;
// Our object does does not support aggregation, so we need to
// fail if they ask us to do aggregation.
if (pUnkOuter)
return CLASS_E_NOAGGREGATION;
if (COMPONENT == m_factoryType) {
pObj = new CComponentData();
} else {
pObj = new CSnapinAbout();
}
if (!pObj)
return E_OUTOFMEMORY;
// QueryInterface will do the AddRef() for us, so we do not
// do it in this function
hr = ((LPUNKNOWN)pObj)->QueryInterface(riid, ppvObj);
if (FAILED(hr))
delete pObj;
return hr;
}
STDMETHODIMP CClassFactory::LockServer(BOOL fLock)
{
if (fLock)
InterlockedIncrement((LONG *)&g_uSrvLock);
else
InterlockedDecrement((LONG *)&g_uSrvLock);
return S_OK;
}
//////////////////////////////////////////////////////////
//
// Exported functions
//
//
// Server registration
//
STDAPI DllRegisterServer()
{
HRESULT hr = SELFREG_E_CLASS;
_TCHAR szName[256];
_TCHAR szSnapInName[256];
LoadString(g_hinst, IDS_NAME, szName, sizeof(szName));
LoadString(g_hinst, IDS_SNAPINNAME, szSnapInName, sizeof(szSnapInName));
_TCHAR szAboutName[256];
LoadString(g_hinst, IDS_ABOUTNAME, szAboutName, sizeof(szAboutName));
// register our CoClasses
hr = RegisterServer(g_hinst,
CLSID_CComponentData,
szName);
if SUCCEEDED(hr)
hr = RegisterServer(g_hinst,
CLSID_CSnapinAbout,
szAboutName);
// place the registry information for SnapIns
if SUCCEEDED(hr)
hr = RegisterSnapin(CLSID_CComponentData, szSnapInName, CLSID_CSnapinAbout);
return hr;
}
STDAPI DllUnregisterServer()
{
if (UnregisterServer(CLSID_CComponentData) == S_OK)
return UnregisterSnapin(CLSID_CComponentData);
else
return E_FAIL;
}