Leaked source code of windows server 2003
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// --------------------------------------------------------------------------
// Module Name: WarningDialog.cpp
//
// Copyright (c) 2000, Microsoft Corporation
//
// Class to manage dialog presentation for warnings and errors on termination
// of bad applications.
//
// History: 2000-08-31 vtan created
// 2000-11-06 vtan moved from fusapi to fussrv
// --------------------------------------------------------------------------
#ifdef _X86_
#include "StandardHeader.h"
#include "WarningDialog.h"
#include <commctrl.h>
#include <shlwapi.h>
#include <shlwapip.h>
#include "resource.h"
#include "ContextActivation.h"
static const int TEMP_STRING_SIZE = 512;
static const int PROGRESS_TIMER_ID = 48517;
// --------------------------------------------------------------------------
// CWarningDialog::CWarningDialog
//
// Arguments: hInstance = HINSTANCE of the hosting DLL.
// hwndParent = HWND of the parenting window/dialog.
// pszApplication = Path to the application known to be bad.
// pszUser = User of the application known to be bad.
//
// Returns: <none>
//
// Purpose: Constructor for CWarningDialog. This stores the static
// parameters and converts the path to a friendly display name
// using shlwapi!SHGetFileDescriptionW. If the friendly display
// name cannot be obtained the executable name is used.
//
// History: 2000-08-31 vtan created
// --------------------------------------------------------------------------
CWarningDialog::CWarningDialog (HINSTANCE hInstance, HWND hwndParent, const WCHAR *pszApplication, const WCHAR *pszUser) :
_hInstance(hInstance),
_hModuleComctlv6(NULL),
_hwndParent(hwndParent),
_hwnd(NULL),
_fCanShutdownApplication(false),
_uiTimerID(0),
_dwTickStart(0),
_dwTickRefresh(0),
_dwTickMaximum(0),
_pszUser(pszUser)
{
UINT uiDisplayNameCount;
WCHAR szTemp[MAX_PATH];
// Borrow winlogon's manifest. This needs to be changed to a resource
// within the server dll.
static const TCHAR s_szLogonManifest[] = TEXT("WindowsLogon.manifest");
TCHAR szPath[MAX_PATH];
if (GetSystemDirectory(szPath, ARRAYSIZE(szPath)) != 0)
{
if ((lstrlen(szPath) + sizeof('\\') + lstrlen(s_szLogonManifest)) < ARRAYSIZE(szPath))
{
lstrcat(szPath, TEXT("\\"));
lstrcat(szPath, s_szLogonManifest);
CContextActivation::Create(szPath);
}
}
uiDisplayNameCount = ARRAYSIZE(_szApplication);
// If the path is quoted then remove the quotes.
if (pszApplication[0] == L'\"')
{
int i, iStart;
iStart = i = sizeof('\"');
while ((pszApplication[i] != L'\"') && (pszApplication[i] != L'\0'))
{
++i;
}
lstrcpyW(szTemp, pszApplication + iStart);
szTemp[i - iStart] = L'\0';
}
// Otherwise just copy the path as is.
else
{
lstrcpyW(szTemp, pszApplication);
}
if (SHGetFileDescriptionW(szTemp, NULL, NULL, _szApplication, &uiDisplayNameCount) == FALSE)
{
const WCHAR *pszFileName;
pszFileName = PathFindFileNameW(szTemp);
if (pszFileName == NULL)
{
pszFileName = pszApplication;
}
(WCHAR*)lstrcpynW(_szApplication, pszFileName, ARRAYSIZE(_szApplication));
}
// Bring in comctl32.dll while the manifest is active. This will
// bring in comctlv6.dll which will register its window classes so
// the dialogs can be themed.
if (CContextActivation::HasContext())
{
CContextActivation context;
_hModuleComctlv6 = LoadLibrary(TEXT("comctl32.dll"));
}
}
// --------------------------------------------------------------------------
// CWarningDialog::~CWarningDialog
//
// Arguments: <none>
//
// Returns: <none>
//
// Purpose: Destructor for CWarningDialog. Releases used resources.
//
// History: 2000-08-31 vtan created
// --------------------------------------------------------------------------
CWarningDialog::~CWarningDialog (void)
{
if (_hModuleComctlv6 != NULL)
{
TBOOL(FreeLibrary(_hModuleComctlv6));
_hModuleComctlv6 = NULL;
}
CContextActivation::Destroy();
}
// --------------------------------------------------------------------------
// CWarningDialog::ShowPrompt
//
// Arguments: fCanShutdownApplication = Decides which dialog to show.
//
// Returns: INT_PTR
//
// Purpose: Displays the appropriate warning dialog to the user based
// on their privilege level (fCanShutdownApplication).
//
// History: 2000-08-31 vtan created
// --------------------------------------------------------------------------
INT_PTR CWarningDialog::ShowPrompt (bool fCanShutdownApplication)
{
CContextActivation context;
_fCanShutdownApplication = fCanShutdownApplication;
return(DialogBoxParam(_hInstance,
MAKEINTRESOURCE(fCanShutdownApplication ? IDD_BADAPP_CLOSE : IDD_BADAPP_STOP),
_hwndParent,
PromptDialogProc,
reinterpret_cast<LPARAM>(this)));
}
// --------------------------------------------------------------------------
// CWarningDialog::ShowFailure
//
// Arguments: <none>
//
// Returns: <none>
//
// Purpose: Shows the failure to shut down the application dialog on the
// assumption that the process cannot be terminated.
//
// History: 2000-09-01 vtan created
// --------------------------------------------------------------------------
void CWarningDialog::ShowFailure (void)
{
WCHAR *pszTemp;
pszTemp = static_cast<TCHAR*>(LocalAlloc(LMEM_FIXED, TEMP_STRING_SIZE * 3 * sizeof(TCHAR)));
if (pszTemp != NULL)
{
WCHAR *pszText, *pszCaption;
pszText = pszTemp + TEMP_STRING_SIZE;
pszCaption = pszText + TEMP_STRING_SIZE;
if ((LoadString(_hInstance,
IDS_TERMINATEPROCESS_FAILURE,
pszTemp,
TEMP_STRING_SIZE) != 0) &&
(LoadString(_hInstance,
IDS_WARNING_CAPTION,
pszCaption,
TEMP_STRING_SIZE) != 0))
{
LPCTSTR pszArray[2];
CContextActivation context;
pszArray[0] = _szApplication;
pszArray[1] = _pszUser;
(DWORD)FormatMessage(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_ARGUMENT_ARRAY,
pszTemp,
0,
0,
pszText,
TEMP_STRING_SIZE,
reinterpret_cast<va_list*>(&pszArray));
(int)MessageBox(_hwndParent, pszText, pszCaption, MB_OK | MB_ICONERROR);
}
(HLOCAL)LocalFree(pszTemp);
}
}
// --------------------------------------------------------------------------
// CWarningDialog::ShowProgress
//
// Arguments: dwTickRefresh = Number of ticks for each refresh.
// dwTickMaximum = Number of ticks for the progress dialog.
//
// Returns: <none>
//
// Purpose: Initializes the comctl32 progress control and invokes the
// dialogs for the progress. It's self terminating after the
// maximum number of ticks have been reached.
//
// History: 2000-11-04 vtan created
// --------------------------------------------------------------------------
void CWarningDialog::ShowProgress (DWORD dwTickRefresh, DWORD dwTickMaximum)
{
CContextActivation context;
INITCOMMONCONTROLSEX iccEx;
// Init comctl32 to get the progress control.
iccEx.dwSize = sizeof(iccEx);
iccEx.dwICC = ICC_PROGRESS_CLASS;
if (InitCommonControlsEx(&iccEx) != FALSE)
{
_dwTickRefresh = dwTickRefresh;
_dwTickMaximum = dwTickMaximum;
(INT_PTR)DialogBoxParam(_hInstance,
MAKEINTRESOURCE(IDD_PROGRESS),
_hwndParent,
ProgressDialogProc,
reinterpret_cast<LPARAM>(this));
}
}
// --------------------------------------------------------------------------
// CWarningDialog::CloseDialog
//
// Arguments: <none>
//
// Returns: <none>
//
// Purpose: Ends the current dialog (with IDCANCEL) if being shown. If
// there was a timing mechanism on the dialog then make sure it
// is visible for at least 2 seconds.
//
// History: 2000-11-04 vtan created
// --------------------------------------------------------------------------
void CWarningDialog::CloseDialog (void)
{
if (_hwnd != NULL)
{
if (_dwTickStart != 0)
{
DWORD dwTickElapsed;
dwTickElapsed = GetTickCount() - _dwTickStart;
if (dwTickElapsed < 2000)
{
Sleep(2000 - dwTickElapsed);
}
}
TBOOL(EndDialog(_hwnd, IDCANCEL));
}
}
// --------------------------------------------------------------------------
// CWarningDialog::CenterWindow
//
// Arguments: hwnd = HWND to center.
//
// Returns: <none>
//
// Purpose: Centers the given (assumed top level) window on the primary
// monitor.
//
// History: 2000-08-31 vtan created
// --------------------------------------------------------------------------
void CWarningDialog::CenterWindow (HWND hwnd)
{
RECT rc;
TBOOL(GetWindowRect(hwnd, &rc));
rc.left = (GetSystemMetrics(SM_CXSCREEN) - (rc.right - rc.left)) / 2;
rc.top = (GetSystemMetrics(SM_CYSCREEN) - (rc.bottom - rc.top)) / 3;
TBOOL(SetWindowPos(hwnd, HWND_TOP, rc.left, rc.top, 0, 0, SWP_NOSIZE));
TBOOL(SetForegroundWindow(hwnd));
}
// --------------------------------------------------------------------------
// CWarningDialog::Handle_Prompt_WM_INITDIALOG
//
// Arguments: hwnd = HWND of the dialog.
//
// Returns: <none>
//
// Purpose: Initializes the strings in the text fields of the dialog. It
// uses the correct dialog for the access level.
//
// History: 2000-08-31 vtan created
// --------------------------------------------------------------------------
void CWarningDialog::Handle_Prompt_WM_INITDIALOG (HWND hwnd)
{
TCHAR *pszTemp1;
_hwnd = hwnd;
pszTemp1 = static_cast<TCHAR*>(LocalAlloc(LMEM_FIXED, TEMP_STRING_SIZE * 2 * sizeof(TCHAR)));
if (pszTemp1 != NULL)
{
TCHAR *pszTemp2;
LPCTSTR pszArray[5];
pszTemp2 = pszTemp1 + TEMP_STRING_SIZE;
if (_fCanShutdownApplication)
{
(UINT)GetDlgItemText(hwnd, IDC_BADAPP_CLOSE, pszTemp1, TEMP_STRING_SIZE);
pszArray[0] = pszArray[2] = pszArray[3] = pszArray[4] = _pszUser;
pszArray[1] = _szApplication;
(DWORD)FormatMessage(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_ARGUMENT_ARRAY,
pszTemp1,
0,
0,
pszTemp2,
TEMP_STRING_SIZE,
reinterpret_cast<va_list*>(&pszArray));
TBOOL(SetDlgItemText(hwnd, IDC_BADAPP_CLOSE, pszTemp2));
}
else
{
(UINT)GetDlgItemText(hwnd, IDC_BADAPP_STOP, pszTemp1, TEMP_STRING_SIZE);
pszArray[0] = pszArray[2] = _pszUser;
pszArray[1] = _szApplication;
(DWORD)FormatMessage(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_ARGUMENT_ARRAY,
pszTemp1,
0,
0,
pszTemp2,
TEMP_STRING_SIZE,
reinterpret_cast<va_list*>(&pszArray));
TBOOL(SetDlgItemText(hwnd, IDC_BADAPP_STOP, pszTemp2));
}
(HLOCAL)LocalFree(pszTemp1);
}
_dwTickStart = 0;
CenterWindow(hwnd);
}
// --------------------------------------------------------------------------
// CWarningDialog::PromptDialogProc
//
// Arguments: See the platform SDK under DlgProc.
//
// Returns: See the platform SDK under DlgProc.
//
// Purpose: Handles messages to the dialog. IDOK and IDCANCEL are treated
// as IDCANCEL when incoming. IDC_BADAPP_CLOSEPROGRAM is treated
// as IDOK back to the caller. You must tab to the button or
// click on it to get the desired effect.
//
// History: 2000-08-31 vtan created
// --------------------------------------------------------------------------
INT_PTR CALLBACK CWarningDialog::PromptDialogProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
INT_PTR iResult;
CWarningDialog *pThis;
pThis = reinterpret_cast<CWarningDialog*>(GetWindowLongPtr(hwnd, DWLP_USER));
switch (uMsg)
{
case WM_INITDIALOG:
pThis = reinterpret_cast<CWarningDialog*>(lParam);
(LONG_PTR)SetWindowLongPtr(hwnd, DWLP_USER, lParam);
pThis->Handle_Prompt_WM_INITDIALOG(hwnd);
iResult = TRUE;
break;
case WM_DESTROY:
pThis->_hwnd = NULL;
iResult = TRUE;
break;
case WM_COMMAND:
switch (wParam)
{
case IDCANCEL:
case IDOK:
TBOOL(EndDialog(hwnd, IDCANCEL));
break;
case IDC_BADAPP_CLOSEPROGRAM:
TBOOL(EndDialog(hwnd, IDOK));
break;
default:
break;
}
iResult = TRUE;
break;
default:
iResult = FALSE;
break;
}
return(iResult);
}
// --------------------------------------------------------------------------
// CWarningDialog::Handle_Progress_WM_INITDIALOG
//
// Arguments: hwnd = HWND of the dialog.
//
// Returns: <none>
//
// Purpose: Initializes the strings in the text fields of the dialog.
//
// History: 2000-11-04 vtan created
// --------------------------------------------------------------------------
void CWarningDialog::Handle_Progress_WM_INITDIALOG (HWND hwnd)
{
HWND hwndProgress;
TCHAR *pszTemp1;
_hwnd = hwnd;
pszTemp1 = static_cast<TCHAR*>(LocalAlloc(LMEM_FIXED, 2048 * sizeof(TCHAR)));
if (pszTemp1 != NULL)
{
TCHAR *pszTemp2;
LPCTSTR pszArray[2];
pszTemp2 = pszTemp1 + TEMP_STRING_SIZE;
(UINT)GetDlgItemText(hwnd, IDC_PROGRESS_CLOSE, pszTemp1, TEMP_STRING_SIZE);
pszArray[0] = _szApplication;
pszArray[1] = _pszUser;
(DWORD)FormatMessage(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_ARGUMENT_ARRAY,
pszTemp1,
0,
0,
pszTemp2,
TEMP_STRING_SIZE,
reinterpret_cast<va_list*>(&pszArray));
TBOOL(SetDlgItemText(hwnd, IDC_PROGRESS_CLOSE, pszTemp2));
(HLOCAL)LocalFree(pszTemp1);
}
CenterWindow(hwnd);
hwndProgress = GetDlgItem(hwnd, IDC_PROGRESS_PROGRESSBAR);
if (hwndProgress != NULL)
{
(LRESULT)SendMessage(hwndProgress, PBM_SETRANGE, 0, MAKELPARAM(0, _dwTickMaximum));
_uiTimerID = SetTimer(hwnd, PROGRESS_TIMER_ID, _dwTickRefresh, ProgressTimerProc);
_dwTickStart = GetTickCount();
}
}
// --------------------------------------------------------------------------
// CWarningDialog::Handle_Progress_WM_DESTROY
//
// Arguments: hwnd = HWND of the dialog.
//
// Returns: <none>
//
// Purpose: Removes the timer from the associated progress dialog if one
// was created for the dialog.
//
// History: 2000-11-04 vtan created
// --------------------------------------------------------------------------
void CWarningDialog::Handle_Progress_WM_DESTROY (HWND hwnd)
{
if (_uiTimerID != 0)
{
TBOOL(KillTimer(hwnd, _uiTimerID));
_uiTimerID = 0;
}
}
// --------------------------------------------------------------------------
// CWarningDialog::ProgressTimerProc
//
// Arguments: See the platform SDK under TimerProc.
//
// Returns: See the platform SDK under TimerProc.
//
// Purpose: Timer procedure that it called back periodically. This
// function animates the progress bar by setting it's completion
// state to the amount of time that has elapsed. The progress
// bar is based purely on time.
//
// If the time elapsed exceeds the maximum time then end the
// dialog.
//
// History: 2000-11-04 vtan created
// --------------------------------------------------------------------------
void CALLBACK CWarningDialog::ProgressTimerProc (HWND hwnd, UINT uMsg, UINT_PTR idEvent, DWORD dwTime)
{
UNREFERENCED_PARAMETER(uMsg);
UNREFERENCED_PARAMETER(idEvent);
HWND hwndProgress;
CWarningDialog *pThis;
pThis = reinterpret_cast<CWarningDialog*>(GetWindowLongPtr(hwnd, DWLP_USER));
hwndProgress = GetDlgItem(hwnd, IDC_PROGRESS_PROGRESSBAR);
if (hwndProgress != NULL)
{
(LRESULT)SendMessage(hwndProgress, PBM_SETPOS, dwTime - pThis->_dwTickStart, 0);
if ((dwTime - pThis->_dwTickStart) > pThis->_dwTickMaximum)
{
TBOOL(EndDialog(hwnd, IDCANCEL));
}
}
}
// --------------------------------------------------------------------------
// CWarningDialog::ProgressDialogProc
//
// Arguments: See the platform SDK under DlgProc.
//
// Returns: See the platform SDK under DlgProc.
//
// Purpose: Handles messages for the progress dialog.
//
// History: 2000-11-04 vtan created
// --------------------------------------------------------------------------
INT_PTR CALLBACK CWarningDialog::ProgressDialogProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
UNREFERENCED_PARAMETER(wParam);
INT_PTR iResult;
CWarningDialog *pThis;
pThis = reinterpret_cast<CWarningDialog*>(GetWindowLongPtr(hwnd, DWLP_USER));
switch (uMsg)
{
case WM_INITDIALOG:
pThis = reinterpret_cast<CWarningDialog*>(lParam);
(LONG_PTR)SetWindowLongPtr(hwnd, DWLP_USER, lParam);
pThis->Handle_Progress_WM_INITDIALOG(hwnd);
iResult = TRUE;
break;
case WM_DESTROY:
pThis->Handle_Progress_WM_DESTROY(hwnd);
pThis->_hwnd = NULL;
iResult = TRUE;
break;
default:
iResult = FALSE;
break;
}
return(iResult);
}
#endif /* _X86_ */