Source code of Windows XP (NT5)
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//
// Microsoft Corporation 1998
//
// SNAPIN.CPP - CSnapin rountines
//
#include "main.h"
#include <shlwapi.h>
#define MAX_INI_SECTION_SIZE 10
#define MAX_OPTION_SIZE 256
#define RIGPSNAP_HELP_TOPIC L"RISconcepts.chm::/sag_RIS_CIW_Policy_and_ACLs.htm"
unsigned int CSnapIn::m_cfNodeType = RegisterClipboardFormat(CCF_NODETYPE);
TCHAR CSnapIn::m_szDefaultIcon[] = TEXT("mydocs.dll,0");
struct {
DWORD dwCtlIdAllow; // dialog control IDs
DWORD dwCtlIdDontCare; // dialog control IDs
DWORD dwCtlIdDeny; // dialog control IDs
DWORD dwValId; // string resouce ID for the option's name
} g_ChoiceOptions[] = {
{ IDC_R_AUTO_ALLOW, IDC_R_AUTO_DONTCARE, IDC_R_AUTO_DENY, IDS_AUTO },
{ IDC_R_CUST_ALLOW, IDC_R_CUST_DONTCARE, IDC_R_CUST_DENY, IDS_CUSTOM },
{ IDC_R_RESTART_ALLOW, IDC_R_RESTART_DONTCARE, IDC_R_RESTART_DENY, IDS_RESTART },
{ IDC_R_TOOLS_ALLOW, IDC_R_TOOLS_DONTCARE, IDC_R_TOOLS_DENY, IDS_TOOLS }
};
///////////////////////////////////////////////////////////////////////////////
//
// CSnapIn object implementation
//
CSnapIn::CSnapIn(CComponentData *pComponent)
{
m_cRef = 1;
InterlockedIncrement(&g_cRefThisDll);
m_pcd = pComponent;
m_pConsole = NULL;
m_pResult = NULL;
m_pHeader = NULL;
m_pImageResult = NULL;
m_pConsoleVerb = NULL;
m_nColumnSize = 180;
m_lViewMode = LVS_ICON;
LoadString(g_hInstance, IDS_NAME, m_column1, sizeof(m_column1));
}
CSnapIn::~CSnapIn()
{
InterlockedDecrement(&g_cRefThisDll);
}
///////////////////////////////////////////////////////////////////////////////
//
// CSnapIn object implementation (IUnknown)
//
HRESULT CSnapIn::QueryInterface (REFIID riid, void **ppv)
{
if (IsEqualIID(riid, IID_IComponent) || IsEqualIID(riid, IID_IUnknown))
{
*ppv = (LPCOMPONENT)this;
m_cRef++;
return S_OK;
}
else if (IsEqualIID(riid, IID_IExtendPropertySheet))
{
*ppv = (LPEXTENDPROPERTYSHEET)this;
m_cRef++;
return S_OK;
}
else
{
*ppv = NULL;
return E_NOINTERFACE;
}
}
ULONG CSnapIn::AddRef (void)
{
return ++m_cRef;
}
ULONG CSnapIn::Release (void)
{
if (--m_cRef == 0) {
delete this;
return 0;
}
return m_cRef;
}
///////////////////////////////////////////////////////////////////////////////
//
// CSnapIn object implementation (IComponent)
//
STDMETHODIMP CSnapIn::Initialize(LPCONSOLE lpConsole)
{
HRESULT hr;
// Save the IConsole pointer
m_pConsole = lpConsole;
m_pConsole->AddRef();
hr = m_pConsole->QueryInterface(IID_IHeaderCtrl,
reinterpret_cast<void**>(&m_pHeader));
// Give the console the header control interface pointer
if (SUCCEEDED(hr))
m_pConsole->SetHeader(m_pHeader);
m_pConsole->QueryInterface(IID_IResultData,
reinterpret_cast<void**>(&m_pResult));
hr = m_pConsole->QueryResultImageList(&m_pImageResult);
hr = m_pConsole->QueryConsoleVerb(&m_pConsoleVerb);
return S_OK;
}
STDMETHODIMP CSnapIn::Destroy(MMC_COOKIE cookie)
{
if (m_pConsole != NULL)
{
m_pConsole->SetHeader(NULL);
m_pConsole->Release();
m_pConsole = NULL;
}
if (m_pHeader != NULL)
{
m_pHeader->Release();
m_pHeader = NULL;
}
if (m_pResult != NULL)
{
m_pResult->Release();
m_pResult = NULL;
}
if (m_pImageResult != NULL)
{
m_pImageResult->Release();
m_pImageResult = NULL;
}
if (m_pConsoleVerb != NULL)
{
m_pConsoleVerb->Release();
m_pConsoleVerb = NULL;
}
return S_OK;
}
STDMETHODIMP CSnapIn::Notify(LPDATAOBJECT lpDataObject, MMC_NOTIFY_TYPE event, LPARAM arg, LPARAM param)
{
HRESULT hr = S_OK;
switch(event)
{
case MMCN_CONTEXTHELP:
{
IDisplayHelp * phelp = NULL;
hr = m_pConsole->QueryInterface( IID_IDisplayHelp,
(void **)&phelp );
if (SUCCEEDED( hr ))
{
phelp->ShowTopic ( RIGPSNAP_HELP_TOPIC );
}
if ( phelp != NULL )
{
phelp->Release();
}
}
break;
case MMCN_DBLCLICK:
hr = S_FALSE;
break;
case MMCN_ADD_IMAGES:
HBITMAP hbmp16x16;
HBITMAP hbmp32x32;
hbmp16x16 = LoadBitmap(g_hInstance, MAKEINTRESOURCE(IDB_16x16));
hbmp32x32 = LoadBitmap(g_hInstance, MAKEINTRESOURCE(IDB_32x32));
if (hbmp16x16 && hbmp32x32) {
// Set the images
m_pImageResult->ImageListSetStrip(reinterpret_cast<PLONG_PTR>(hbmp16x16),
reinterpret_cast<PLONG_PTR>(hbmp32x32),
0, RGB(255, 0, 255));
}
if (hbmp16x16) {
DeleteObject(hbmp16x16);
}
if (hbmp32x32) {
DeleteObject(hbmp32x32);
}
break;
case MMCN_SHOW:
if (arg == TRUE)
{
RESULTDATAITEM resultItem;
LPGPTDATAOBJECT pGPTDataObject;
MMC_COOKIE cookie;
INT i;
//
// Get the cookie of the scope pane item
//
hr = lpDataObject->QueryInterface(IID_IGPTDataObject, (LPVOID *)&pGPTDataObject);
if (FAILED(hr))
return S_OK;
hr = pGPTDataObject->GetCookie(&cookie);
pGPTDataObject->Release(); // release initial ref
if (FAILED(hr))
return S_OK;
//
// Prepare the view
//
m_pHeader->InsertColumn(0, m_column1, LVCFMT_LEFT, m_nColumnSize);
m_pResult->SetViewMode(m_lViewMode);
//
// Add result pane items for this node
//
for (i = 0; i < g_NameSpace[cookie].cResultItems; i++)
{
resultItem.mask = RDI_STR | RDI_IMAGE | RDI_PARAM;
resultItem.str = MMC_CALLBACK;
resultItem.nImage = g_NameSpace[cookie].pResultItems[i].iImage;
resultItem.lParam = (LPARAM) &g_NameSpace[cookie].pResultItems[i];
m_pResult->InsertItem(&resultItem);
}
//m_pResult->Sort(0, 0, -1);
}
else
{
m_pHeader->GetColumnWidth(0, &m_nColumnSize);
m_pResult->GetViewMode(&m_lViewMode);
}
break;
case MMCN_SELECT:
if (m_pConsoleVerb)
{
LPRESULTITEM pItem;
LPGPTDATAOBJECT pGPTDataObject;
DATA_OBJECT_TYPES type;
MMC_COOKIE cookie;
//
// Set the default verb to open
//
m_pConsoleVerb->SetDefaultVerb(MMC_VERB_OPEN);
//
// See if this is one of our items.
//
hr = lpDataObject->QueryInterface(IID_IGPTDataObject, (LPVOID *)&pGPTDataObject);
if (FAILED(hr))
break;
pGPTDataObject->GetType(&type);
pGPTDataObject->GetCookie(&cookie);
pGPTDataObject->Release();
//
// If this is a result pane item or the root of the namespace
// nodes, enable the Properties menu item
//
if ((type == CCT_RESULT) || ((type == CCT_SCOPE) && (cookie == 0)))
{
m_pConsoleVerb->SetVerbState(MMC_VERB_PROPERTIES, ENABLED, TRUE);
//
// If this is a result pane item, then change the default
// verb to Properties.
//
if (type == CCT_RESULT)
m_pConsoleVerb->SetDefaultVerb(MMC_VERB_PROPERTIES);
}
}
break;
default:
hr = E_UNEXPECTED;
break;
}
return hr;
}
STDMETHODIMP CSnapIn::GetDisplayInfo(LPRESULTDATAITEM pResult)
{
if (pResult)
{
if (pResult->bScopeItem == TRUE)
{
if (pResult->mask & RDI_STR)
{
if (pResult->nCol == 0)
pResult->str = g_NameSpace[pResult->lParam].szDisplayName;
else
pResult->str = L"";
}
if (pResult->mask & RDI_IMAGE)
{
pResult->nImage = 0;
}
}
else
{
if (pResult->mask & RDI_STR)
{
if (pResult->nCol == 0)
{
LPRESULTITEM lpResultItem = (LPRESULTITEM)pResult->lParam;
if (lpResultItem->szDisplayName[0] == TEXT('\0'))
{
LoadString (g_hInstance, lpResultItem->iStringID,
lpResultItem->szDisplayName,
MAX_DISPLAYNAME_SIZE);
}
pResult->str = lpResultItem->szDisplayName;
}
if (pResult->str == NULL)
pResult->str = (LPOLESTR)L"";
}
}
}
return S_OK;
}
STDMETHODIMP CSnapIn::QueryDataObject(MMC_COOKIE cookie, DATA_OBJECT_TYPES type, LPDATAOBJECT *ppDataObject)
{
return m_pcd->QueryDataObject(cookie, type, ppDataObject);
}
STDMETHODIMP CSnapIn::GetResultViewType(MMC_COOKIE cookie, LPOLESTR *ppViewType,
LONG *pViewOptions)
{
return S_FALSE;
}
STDMETHODIMP CSnapIn::CompareObjects(LPDATAOBJECT lpDataObjectA, LPDATAOBJECT lpDataObjectB)
{
HRESULT hr = S_FALSE;
LPGPTDATAOBJECT pGPTDataObjectA, pGPTDataObjectB;
MMC_COOKIE cookie1, cookie2;
if (lpDataObjectA == NULL || lpDataObjectB == NULL)
return E_POINTER;
//
// QI for the private GPTDataObject interface
//
if (FAILED(lpDataObjectA->QueryInterface(IID_IGPTDataObject,
(LPVOID *)&pGPTDataObjectA)))
{
return S_FALSE;
}
if (FAILED(lpDataObjectB->QueryInterface(IID_IGPTDataObject,
(LPVOID *)&pGPTDataObjectB)))
{
pGPTDataObjectA->Release();
return S_FALSE;
}
pGPTDataObjectA->GetCookie(&cookie1);
pGPTDataObjectB->GetCookie(&cookie2);
if (cookie1 == cookie2)
{
hr = S_OK;
}
pGPTDataObjectA->Release();
pGPTDataObjectB->Release();
return hr;
}
///////////////////////////////////////////////////////////////////////////////
//
// CComponentData object implementation (IExtendPropertySheet)
//
STDMETHODIMP CSnapIn::CreatePropertyPages(LPPROPERTYSHEETCALLBACK lpProvider,
LONG_PTR handle, LPDATAOBJECT lpDataObject)
{
HRESULT hr;
PROPSHEETPAGE psp;
HPROPSHEETPAGE hPage[2];
LPGPTDATAOBJECT pGPTDataObject;
LPRESULTITEM pItem;
MMC_COOKIE cookie;
//
// Make sure this is one of our objects
//
if (FAILED(lpDataObject->QueryInterface(IID_IGPTDataObject,
(LPVOID *)&pGPTDataObject)))
{
return S_OK;
}
//
// Get the cookie
//
pGPTDataObject->GetCookie(&cookie);
pGPTDataObject->Release();
pItem = (LPRESULTITEM)cookie;
//
// Initialize the common fields in the property sheet structure
//
psp.dwSize = sizeof(PROPSHEETPAGE);
psp.dwFlags = 0;
psp.hInstance = g_hInstance;
psp.lParam = (LPARAM) this;
//
// Do the page specific stuff
//
switch (pItem->dwID)
{
case 2:
psp.pszTemplate = MAKEINTRESOURCE(IDD_SCREEN);
psp.pfnDlgProc = ChoiceDlgProc;
hPage[0] = CreatePropertySheetPage(&psp);
if (hPage[0])
{
hr = lpProvider->AddPage(hPage[0]);
}
else
{
DebugMsg((DM_WARNING, TEXT("CSnapIn::CreatePropertyPages: Failed to create property sheet page with %d."),
GetLastError()));
hr = E_FAIL;
}
break;
}
return (hr);
}
STDMETHODIMP CSnapIn::QueryPagesFor(LPDATAOBJECT lpDataObject)
{
LPGPTDATAOBJECT pGPTDataObject;
DATA_OBJECT_TYPES type;
if (SUCCEEDED(lpDataObject->QueryInterface(IID_IGPTDataObject,
(LPVOID *)&pGPTDataObject)))
{
pGPTDataObject->GetType(&type);
pGPTDataObject->Release();
if (type == CCT_RESULT)
return S_OK;
}
return S_FALSE;
}
///////////////////////////////////////////////////////////////////////////////
//
// CSnapIn object implementation (Internal functions)
//
INT_PTR CALLBACK CSnapIn::ReadmeDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
return FALSE;
}
INT_PTR CALLBACK CSnapIn::_CreateDirectoryIfNeeded( LPOLESTR pszPath )
{
BOOL b = FALSE;
LPOLESTR psz = &pszPath[ wcslen( pszPath ) ];
DWORD dwErr;
while ( psz = StrRChr( pszPath, psz, L'\\' ) )
{
WCHAR tmp = *psz; // save
*psz = L'\0'; // terminate
b = CreateDirectory( pszPath, NULL );
*psz = tmp; // restore
if (b)
{ // success in creating directory
psz++;
while ( psz = StrChr( psz, L'\\' ) )
{
WCHAR tmp = *psz; // save
*psz = L'\0'; // terminate
b = CreateDirectory( pszPath, NULL );
*psz = tmp; // restore
if ( !b )
{
dwErr = GetLastError();
break;
}
psz++;
}
break;
}
// else failed... keep backing up
dwErr = GetLastError();
psz--;
}
return b;
}
INT_PTR CALLBACK CSnapIn::ChoiceDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
CSnapIn * pCS = (CSnapIn*) GetWindowLongPtr( hDlg, DWLP_USER );
static BOOL bDirty;
BOOL fReturn = FALSE;
HRESULT hr;
LPOLESTR pszPath = NULL;
if ( message == WM_INITDIALOG )
{
bDirty = FALSE;
pCS = (CSnapIn *) (((LPPROPSHEETPAGE)lParam)->lParam);
SetWindowLongPtr(hDlg, DWLP_USER, (LONG_PTR) pCS);
if (!pCS)
goto Cleanup;
pszPath = SysAllocStringByteLen( NULL, MAX_PATH * sizeof(OLECHAR) );
if (!pszPath)
goto Cleanup;
hr = pCS->m_pcd->m_pGPTInformation->GetFileSysPath( GPO_SECTION_USER, pszPath, MAX_PATH );
if (SUCCEEDED(hr))
{
wcscat( pszPath, L"\\Microsoft\\RemoteInstall\\oscfilter.ini");
for ( INT i = 0; i < ARRAYSIZE(g_ChoiceOptions); i++ )
{
WCHAR szValue[MAX_INI_SECTION_SIZE];
LONG lValue = -1; // don't care
DWORD dw;
WCHAR szOption[ MAX_OPTION_SIZE ];
dw = LoadString( g_hInstance, g_ChoiceOptions[i].dwValId, szOption, ARRAYSIZE( szOption ));
dw = GetPrivateProfileString( L"Choice", szOption, L"", szValue, ARRAYSIZE( szValue ), pszPath );
if ( dw != 0 )
{
lValue = wcstol( szValue, NULL, 10 );
}
switch (lValue)
{
case 0: // Deny
Button_SetCheck( GetDlgItem( hDlg, g_ChoiceOptions[i].dwCtlIdDeny ), BST_CHECKED );
break;
case 1: // Allow
Button_SetCheck( GetDlgItem( hDlg, g_ChoiceOptions[i].dwCtlIdAllow ), BST_CHECKED );
break;
default: // don't care / unknown value
Button_SetCheck( GetDlgItem( hDlg, g_ChoiceOptions[i].dwCtlIdDontCare ), BST_CHECKED );
break;
}
}
}
}
if (!pCS)
goto Cleanup;
switch (message)
{
case WM_HELP:
case WM_CONTEXTMENU:
{
MMCPropertyHelp( RIGPSNAP_HELP_TOPIC );
}
break;
case WM_COMMAND:
if ( ( LOWORD(wParam) >= IDC_FIRST_RADIO_BUTTON )
&& ( LOWORD(wParam) <= IDC_LAST_RADIO_BUTTON ) )
{
if ( !bDirty )
{
SendMessage (GetParent(hDlg), PSM_CHANGED, (WPARAM) hDlg, 0);
bDirty = TRUE;
}
}
break;
case WM_NOTIFY:
switch (((NMHDR FAR*)lParam)->code)
{
case PSN_APPLY:
{
if (bDirty)
{
pszPath = SysAllocStringByteLen( NULL, MAX_PATH );
if (!pszPath)
goto Cleanup;
hr = pCS->m_pcd->m_pGPTInformation->GetFileSysPath( GPO_SECTION_USER, pszPath, MAX_PATH );
if (SUCCEEDED(hr))
{
wcscat( pszPath, L"\\Microsoft\\RemoteInstall\\oscfilter.ini");
pCS->_CreateDirectoryIfNeeded( pszPath );
for ( INT i = 0; i < ARRAYSIZE(g_ChoiceOptions); i++ )
{
DWORD dw;
WCHAR szOption[ MAX_OPTION_SIZE ];
dw = LoadString( g_hInstance, g_ChoiceOptions[i].dwValId, szOption, ARRAYSIZE( szOption ));
if ( Button_GetCheck( GetDlgItem( hDlg, g_ChoiceOptions[i].dwCtlIdDeny ) ) == BST_CHECKED )
{
WritePrivateProfileString( L"Choice", szOption, L"0", pszPath );
}
if ( Button_GetCheck( GetDlgItem( hDlg, g_ChoiceOptions[i].dwCtlIdAllow ) ) == BST_CHECKED )
{
WritePrivateProfileString( L"Choice", szOption, L"1", pszPath );
}
if ( Button_GetCheck( GetDlgItem( hDlg, g_ChoiceOptions[i].dwCtlIdDontCare ) ) == BST_CHECKED )
{
WritePrivateProfileString( L"Choice", szOption, NULL, pszPath );
}
}
// Notify the GPT manager that policy has changed
pCS->m_pcd->m_pGPTInformation->PolicyChanged( FALSE, TRUE, (GUID *)&CLSID_RIClientExtension, (GUID *)&CLSID_GPTRemoteInstall );
}
}
}
// fall through...
case PSN_RESET:
SetWindowLongPtr (hDlg, DWLP_MSGRESULT, PSNRET_NOERROR);
bDirty = FALSE;
fReturn = TRUE;
break;
}
break;
}
Cleanup:
if ( pszPath )
SysFreeString( pszPath );
return fReturn;
}