Leaked source code of windows server 2003
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371 lines
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#include "main.h"
#include <initguid.h>
#include "dataobj.h"
#include "rsopdobj.h"
unsigned int CRSOPDataObject::m_cfNodeType = RegisterClipboardFormat(CCF_NODETYPE);
unsigned int CRSOPDataObject::m_cfNodeTypeString = RegisterClipboardFormat(CCF_SZNODETYPE);
unsigned int CRSOPDataObject::m_cfDisplayName = RegisterClipboardFormat(CCF_DISPLAY_NAME);
unsigned int CRSOPDataObject::m_cfCoClass = RegisterClipboardFormat(CCF_SNAPIN_CLASSID);
unsigned int CRSOPDataObject::m_cfPreloads = RegisterClipboardFormat(CCF_SNAPIN_PRELOADS);
unsigned int CRSOPDataObject::m_cfNodeID = RegisterClipboardFormat(CCF_NODEID);
unsigned int CRSOPDataObject::m_cfDescription = RegisterClipboardFormat(L"CCF_DESCRIPTION");
unsigned int CRSOPDataObject::m_cfHTMLDetails = RegisterClipboardFormat(L"CCF_HTML_DETAILS");
///////////////////////////////////////////////////////////////////////////////
// //
// CRSOPDataObject implementation //
// //
///////////////////////////////////////////////////////////////////////////////
CRSOPDataObject::CRSOPDataObject(CRSOPComponentData *pComponent)
{
m_cRef = 1;
InterlockedIncrement(&g_cRefThisDll);
m_pcd = pComponent;
m_pcd->AddRef();
m_type = CCT_UNINITIALIZED;
m_cookie = -1;
}
CRSOPDataObject::~CRSOPDataObject()
{
m_pcd->Release();
InterlockedDecrement(&g_cRefThisDll);
}
///////////////////////////////////////////////////////////////////////////////
// //
// CRSOPDataObject object implementation (IUnknown) //
// //
///////////////////////////////////////////////////////////////////////////////
HRESULT CRSOPDataObject::QueryInterface (REFIID riid, void **ppv)
{
if (IsEqualIID(riid, IID_IRSOPInformation))
{
*ppv = (LPRSOPINFORMATION)this;
m_cRef++;
return S_OK;
}
else if (IsEqualIID(riid, IID_IRSOPDataObject))
{
*ppv = (LPRSOPDATAOBJECT)this;
m_cRef++;
return S_OK;
}
else if (IsEqualIID(riid, IID_IDataObject) ||
IsEqualIID(riid, IID_IUnknown))
{
*ppv = (LPDATAOBJECT)this;
m_cRef++;
return S_OK;
}
else
{
*ppv = NULL;
return E_NOINTERFACE;
}
}
ULONG CRSOPDataObject::AddRef (void)
{
return ++m_cRef;
}
ULONG CRSOPDataObject::Release (void)
{
if (--m_cRef == 0) {
delete this;
return 0;
}
return m_cRef;
}
///////////////////////////////////////////////////////////////////////////////
// //
// CRSOPDataObject object implementation (IDataObject) //
// //
///////////////////////////////////////////////////////////////////////////////
STDMETHODIMP CRSOPDataObject::GetDataHere(LPFORMATETC lpFormatetc, LPSTGMEDIUM lpMedium)
{
HRESULT hr = DV_E_CLIPFORMAT;
// Based on the CLIPFORMAT write data to the stream
const CLIPFORMAT cf = lpFormatetc->cfFormat;
if(cf == m_cfNodeType)
{
hr = CreateNodeTypeData(lpMedium);
}
else if(cf == m_cfNodeTypeString)
{
hr = CreateNodeTypeStringData(lpMedium);
}
else if (cf == m_cfDisplayName)
{
hr = CreateDisplayName(lpMedium);
}
else if (cf == m_cfCoClass)
{
hr = CreateCoClassID(lpMedium);
}
else if (cf == m_cfPreloads)
{
hr = CreatePreloadsData(lpMedium);
}
else if (cf == m_cfDescription)
{
hr = DV_E_TYMED;
if (lpMedium->tymed == TYMED_ISTREAM)
{
ULONG ulWritten;
TCHAR szDesc[300];
IStream *lpStream = lpMedium->pstm;
if(lpStream)
{
LoadString (g_hInstance, g_RsopNameSpace[m_cookie].iStringDescID, szDesc, ARRAYSIZE(szDesc));
hr = lpStream->Write(szDesc, lstrlen(szDesc) * sizeof(TCHAR), &ulWritten);
if (SUCCEEDED(hr))
{
if ((m_cookie == 0) && ( m_pcd->ComputerCSEErrorExists() || m_pcd->UserCSEErrorExists() ))
{
LoadString (g_hInstance, IDS_CSEFAILURE2_DESC, szDesc, ARRAYSIZE(szDesc));
hr = lpStream->Write(szDesc, lstrlen(szDesc) * sizeof(TCHAR), &ulWritten);
}
if (((m_cookie == 1) && m_pcd->ComputerCSEErrorExists() ) ||
((m_cookie == 2) && m_pcd->UserCSEErrorExists() ))
{
LoadString (g_hInstance, IDS_CSEFAILURE_DESC, szDesc, ARRAYSIZE(szDesc));
hr = lpStream->Write(szDesc, lstrlen(szDesc) * sizeof(TCHAR), &ulWritten);
}
}
}
}
}
else if (cf == m_cfHTMLDetails)
{
hr = DV_E_TYMED;
if (lpMedium->tymed == TYMED_ISTREAM)
{
ULONG ulWritten;
if ((m_cookie == 0) || (m_cookie == 1) || (m_cookie == 2))
{
IStream *lpStream = lpMedium->pstm;
if(lpStream)
{
hr = lpStream->Write(g_szDisplayProperties, lstrlen(g_szDisplayProperties) * sizeof(TCHAR), &ulWritten);
}
}
}
}
return hr;
}
STDMETHODIMP CRSOPDataObject::GetData(LPFORMATETC lpFormatetc, LPSTGMEDIUM lpMedium)
{
HRESULT hr = DV_E_CLIPFORMAT;
// Based on the CLIPFORMAT write data to the stream
const CLIPFORMAT cf = lpFormatetc->cfFormat;
if (cf == m_cfNodeID)
{
hr = CreateNodeIDData(lpMedium);
}
return hr;
}
///////////////////////////////////////////////////////////////////////////////
// //
// CRSOPDataObject object implementation (IROSPInformation) //
// //
///////////////////////////////////////////////////////////////////////////////
STDMETHODIMP CRSOPDataObject::GetNamespace (DWORD dwSection, LPOLESTR pszName, int cchMaxLength)
{
return m_pcd->GetNamespace(dwSection, pszName, cchMaxLength);
}
STDMETHODIMP CRSOPDataObject::GetFlags (DWORD * pdwFlags)
{
return m_pcd->GetFlags(pdwFlags);
}
STDMETHODIMP CRSOPDataObject::GetEventLogEntryText (LPOLESTR pszEventSource, LPOLESTR pszEventLogName,
LPOLESTR pszEventTime, DWORD dwEventID,
LPOLESTR *ppszText)
{
return m_pcd->GetEventLogEntryText(pszEventSource, pszEventLogName, pszEventTime, dwEventID, ppszText);
}
///////////////////////////////////////////////////////////////////////////////
// //
// CRSOPDataObject object implementation (Internal functions) //
// //
///////////////////////////////////////////////////////////////////////////////
HRESULT CRSOPDataObject::Create(LPVOID pBuffer, INT len, LPSTGMEDIUM lpMedium)
{
HRESULT hr = DV_E_TYMED;
// Do some simple validation
if (pBuffer == NULL || lpMedium == NULL)
return E_POINTER;
// Make sure the type medium is HGLOBAL
if (lpMedium->tymed == TYMED_HGLOBAL)
{
// Create the stream on the hGlobal passed in
LPSTREAM lpStream;
hr = CreateStreamOnHGlobal(lpMedium->hGlobal, FALSE, &lpStream);
if (SUCCEEDED(hr))
{
// Write to the stream the number of bytes
unsigned long written;
hr = lpStream->Write(pBuffer, len, &written);
// Because we told CreateStreamOnHGlobal with 'FALSE',
// only the stream is released here.
// Note - the caller (i.e. snap-in, object) will free the HGLOBAL
// at the correct time. This is according to the IDataObject specification.
lpStream->Release();
}
}
return hr;
}
HRESULT CRSOPDataObject::CreateNodeTypeData(LPSTGMEDIUM lpMedium)
{
const GUID * pGUID;
LPRESULTITEM lpResultItem = (LPRESULTITEM) m_cookie;
if (m_cookie == -1)
return E_UNEXPECTED;
if (m_type == CCT_RESULT)
pGUID = g_RsopNameSpace[lpResultItem->dwNameSpaceItem].pNodeID;
else
pGUID = g_RsopNameSpace[m_cookie].pNodeID;
// Create the node type object in GUID format
return Create((LPVOID)pGUID, sizeof(GUID), lpMedium);
}
HRESULT CRSOPDataObject::CreateNodeTypeStringData(LPSTGMEDIUM lpMedium)
{
const GUID * pGUID;
LPRESULTITEM lpResultItem = (LPRESULTITEM) m_cookie;
TCHAR szNodeType[50];
if (m_cookie == -1)
return E_UNEXPECTED;
if (m_type == CCT_RESULT)
pGUID = g_RsopNameSpace[lpResultItem->dwNameSpaceItem].pNodeID;
else
pGUID = g_RsopNameSpace[m_cookie].pNodeID;
szNodeType[0] = TEXT('\0');
StringFromGUID2 (*pGUID, szNodeType, 50);
// Create the node type object in GUID string format
return Create((LPVOID)szNodeType, ((lstrlenW(szNodeType)+1) * sizeof(WCHAR)), lpMedium);
}
HRESULT CRSOPDataObject::CreateDisplayName(LPSTGMEDIUM lpMedium)
{
WCHAR szDisplayName[300];
//
// This is the display named used in the scope pane and snap-in manager
//
szDisplayName[0] = TEXT('\0');
if ( m_pcd->HasDisplayName() )
//if (m_pcd->m_pGPO && m_pcd->m_pDisplayName)
{
(void) StringCchCopy (szDisplayName, ARRAYSIZE(szDisplayName), m_pcd->GetDisplayName() );
}
else
{
LoadStringW (g_hInstance, IDS_RSOP_SNAPIN_NAME, szDisplayName, ARRAYSIZE(szDisplayName));
}
return Create((LPVOID)szDisplayName, (lstrlenW(szDisplayName) + 1) * sizeof(WCHAR), lpMedium);
}
HRESULT CRSOPDataObject::CreateCoClassID(LPSTGMEDIUM lpMedium)
{
// Create the CoClass information
return Create((LPVOID)&CLSID_GPESnapIn, sizeof(CLSID), lpMedium);
}
HRESULT CRSOPDataObject::CreatePreloadsData(LPSTGMEDIUM lpMedium)
{
BOOL bPreload = TRUE;
return Create((LPVOID)&bPreload, sizeof(bPreload), lpMedium);
}
HRESULT CRSOPDataObject::CreateNodeIDData(LPSTGMEDIUM lpMedium)
{
const GUID * pGUID;
LPRESULTITEM lpResultItem = (LPRESULTITEM) m_cookie;
TCHAR szNodeType[50];
SNodeID * psNode;
if (m_cookie == -1)
return E_UNEXPECTED;
if (m_type == CCT_RESULT)
pGUID = g_RsopNameSpace[lpResultItem->dwNameSpaceItem].pNodeID;
else
pGUID = g_RsopNameSpace[m_cookie].pNodeID;
szNodeType[0] = TEXT('\0');
StringFromGUID2 (*pGUID, szNodeType, 50);
lpMedium->hGlobal = GlobalAlloc (GMEM_SHARE | GMEM_MOVEABLE, (lstrlen(szNodeType) * sizeof(TCHAR)) + sizeof(SNodeID));
if (!lpMedium->hGlobal)
{
return (STG_E_MEDIUMFULL);
}
psNode = (SNodeID *) GlobalLock (lpMedium->hGlobal);
psNode->cBytes = lstrlen(szNodeType) * sizeof(TCHAR);
CopyMemory (psNode->id, szNodeType, psNode->cBytes);
GlobalUnlock (lpMedium->hGlobal);
return S_OK;
}