Leaked source code of windows server 2003
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/*
Copyright (c) Microsoft Corporation
*/
#include "stdinc.h"
#include "dbt.h"
#include "devguid.h"
#include "dialogs.h"
#include "cassemblyrecoveryinfo.h"
#include "protectionui.h"
#include "recover.h"
#include "sxsexceptionhandling.h"
//
// FAKERY
//
extern HINSTANCE g_hInstance;
extern HANDLE g_hSxsLoginEvent;
HDESK g_hDesktop = NULL;
BOOL
SxspSpinUntilValidDesktop()
{
FN_PROLOG_WIN32
//
// NTRAID#NTBUG9-219455-2000/12/13-MGrier Postponed to Blackcomb; the
// current code does the same thing that WFP is doing; it's just that
// we should really have them pass us the desktop.
//
// We should be relying on what WFP has already
// found to be the 'proper' input desktop. Doing so, however requires a
// change to the interface between SXS and SFC to pass along a pointer to
// the WFP desktop handle. Not a bad thing, just .. not implemented yet.
//
while (g_hDesktop == NULL)
{
DWORD dwResult = ::WaitForSingleObject(g_hSxsLoginEvent, INFINITE);
if (dwResult == WAIT_OBJECT_0)
IFW32NULL_ORIGINATE_AND_EXIT(g_hDesktop = ::OpenInputDesktop(0, FALSE, MAXIMUM_ALLOWED));
else if (dwResult == WAIT_FAILED)
ORIGINATE_WIN32_FAILURE_AND_EXIT(WaitForSingleObject, ::FusionpGetLastWin32Error());
}
FN_EPILOG
}
CSXSMediaPromptDialog::CSXSMediaPromptDialog()
: m_hOurWnd((HWND)INVALID_HANDLE_VALUE),
m_pvDeviceChange(NULL),
m_uiAutoRunMsg(0),
m_DeviceChangeMask(0),
m_DeviceChangeFlags(0),
m_fIsCDROM(false),
m_CodebaseInfo(NULL)
{
}
CSXSMediaPromptDialog::~CSXSMediaPromptDialog()
{
}
BOOL
CSXSMediaPromptDialog::Initialize(
const CCodebaseInformation* CodebaseInfo
)
{
BOOL fSuccess = FALSE;
FN_TRACE_WIN32(fSuccess);
PARAMETER_CHECK(CodebaseInfo != NULL);
SxsWFPResolveCodebase CodebaseType;
IFW32FALSE_EXIT(CodebaseInfo->Win32GetType(CodebaseType));
PARAMETER_CHECK(
(CodebaseType == CODEBASE_RESOLVED_URLHEAD_FILE) ||
(CodebaseType == CODEBASE_RESOLVED_URLHEAD_WINSOURCE) ||
(CodebaseType == CODEBASE_RESOLVED_URLHEAD_CDROM));
m_CodebaseInfo = CodebaseInfo;
switch (CodebaseType)
{
case CODEBASE_RESOLVED_URLHEAD_CDROM:
m_fIsCDROM = true;
break;
case CODEBASE_RESOLVED_URLHEAD_WINSOURCE:
{
CFusionRegKey hkSetupInfo;
DWORD dwWasFromCDRom;
IFREGFAILED_ORIGINATE_AND_EXIT(
::RegOpenKeyExW(
HKEY_LOCAL_MACHINE,
WINSXS_INSTALL_SOURCE_BASEDIR,
0,
KEY_READ | FUSIONP_KEY_WOW64_64KEY,
&hkSetupInfo));
// NTRAID#NTBUG9 - 591839 - 2002/04/01 - mgrier - If the key isn't there, it's ok to assume not
// from a CDROM but if it was out of resources etc. this should propagate an error.
if (!::FusionpRegQueryDwordValueEx(
0,
hkSetupInfo,
WINSXS_INSTALL_SOURCE_IS_CDROM,
&dwWasFromCDRom))
{
dwWasFromCDRom = 0;
}
m_fIsCDROM = (dwWasFromCDRom != 0);
break;
}
case CODEBASE_RESOLVED_URLHEAD_FILE:
{
CSmallStringBuffer buffVolumePathName;
IFW32FALSE_EXIT(
::SxspGetVolumePathName(
0,
CodebaseInfo->GetCodebase(),
buffVolumePathName));
if (::GetDriveTypeW(buffVolumePathName) == DRIVE_CDROM)
{
m_fIsCDROM = true;
}
break;
}
}
FN_EPILOG
}
BOOL
CSXSMediaPromptDialog::DisplayMessage(
HWND hDlg,
UINT uContentText,
UINT uDialogFlags,
int &riResult
)
{
FN_PROLOG_WIN32
const SIZE_T BufferSize = (MAX_PATH * 2);
CTinyStringBuffer wcTitle;
CTinyStringBuffer wcContent;
int iResult = 0;
if (wcContent.Win32ResizeBuffer(BufferSize + 1, eDoNotPreserveBufferContents))
{
CStringBufferAccessor Accessor(&wcContent);
IFW32ZERO_ORIGINATE_AND_EXIT(::LoadStringW(g_hInstance, uContentText, Accessor, BufferSize));
}
if (wcTitle.Win32ResizeBuffer(BufferSize, eDoNotPreserveBufferContents))
{
CStringBufferAccessor Accessor(&wcTitle);
IFW32ZERO_ORIGINATE_AND_EXIT(::LoadStringW(g_hInstance, IDS_TITLE, Accessor, BufferSize));
}
IFW32ZERO_ORIGINATE_AND_EXIT(iResult = ::MessageBoxW(hDlg, wcContent, wcTitle, uDialogFlags));
riResult = iResult;
FN_EPILOG
}
BOOL
CSXSMediaPromptDialog::ShowSelf(
CSXSMediaPromptDialog::DialogResults &rResult
)
{
FN_PROLOG_WIN32
INT_PTR i;
IFW32FALSE_EXIT(::SxspSpinUntilValidDesktop());
IFW32FALSE_ORIGINATE_AND_EXIT(::SetThreadDesktop(g_hDesktop));
i = ::DialogBoxParamW(
g_hInstance,
MAKEINTRESOURCEW(
m_fIsCDROM ?
IDD_SFC_CD_PROMPT :
IDD_SFC_NETWORK_PROMPT),
NULL,
&CSXSMediaPromptDialog::OurDialogProc,
(LPARAM)this);
if (i == -1)
ORIGINATE_WIN32_FAILURE_AND_EXIT(DialogBoxParamW, ::FusionpGetLastWin32Error());
rResult = static_cast<DialogResults>(i);
FN_EPILOG
}
BOOL
SxspFindInstallWindowsSourcePath(
OUT CBaseStringBuffer &rbuffTempStringBuffer
)
{
FN_PROLOG_WIN32
CFusionRegKey rhkInstallSource;
rbuffTempStringBuffer.Clear();
IFREGFAILED_ORIGINATE_AND_EXIT(
::RegOpenKeyExW(
HKEY_LOCAL_MACHINE,
WINSXS_INSTALL_SOURCE_BASEDIR,
0,
KEY_READ | FUSIONP_KEY_WOW64_64KEY,
&rhkInstallSource));
IFW32FALSE_EXIT(
::FusionpRegQuerySzValueEx(
FUSIONP_REG_QUERY_SZ_VALUE_EX_MISSING_GIVES_NULL_STRING,
rhkInstallSource,
WINSXS_INSTALL_SOURCEPATH_REGKEY,
rbuffTempStringBuffer));
//
// Now let's be really cheesy and find the fourth slash (\\foo\bar\), and
// clip everything after that.
//
PCWSTR cursor = rbuffTempStringBuffer;
ULONG ulSlashCount = 0;
while ( *cursor && ulSlashCount < 4 )
{
// NTRAID#NTBUG9 - 591839 - 2002/04/01 - mgrier - Should handle both slashes. I think we have
// a macro for this.
if (*cursor == L'\\')
ulSlashCount++;
cursor++;
}
//
// If we got 3 or less, then it's \\foo\bar or \\foo, which should be
// illegal. Otherwise, clip everything off past this point.
//
if (ulSlashCount > 3)
{
rbuffTempStringBuffer.Left(cursor - rbuffTempStringBuffer);
IFW32FALSE_EXIT(rbuffTempStringBuffer.Win32RemoveTrailingPathSeparators());
}
FN_EPILOG
}
INT_PTR
CALLBACK
CSXSMediaPromptDialog::OurDialogProc(
HWND hDlg,
UINT uMsg,
WPARAM wParam,
LPARAM lParam
)
{
FN_TRACE();
INT_PTR iResult = 0;
int iMessageBoxResult = 0;
#define WM_TRYAGAIN (WM_USER + 1)
static CSXSMediaPromptDialog *pThis = NULL;
switch (uMsg)
{
case WM_INITDIALOG:
{
pThis = reinterpret_cast<CSXSMediaPromptDialog *>(lParam);
FLASHWINFO winfo;
// NTRAID#NTBUG9 - 591839 - 2002/04/01 - mgrier - Shouldn't these be INTERNAL_ERROR_CHECKs?
ASSERT(pThis != NULL);
ASSERT(pThis->m_hOurWnd == INVALID_HANDLE_VALUE);
pThis->m_hOurWnd = hDlg;
//
// Center the window, bring it forward
//
{
RECT rcWindow;
LONG x, y, w, h;
// NTRAID#NTBUG9 - 591839 - 2002/04/01 - mgrier - Missing error check
::GetWindowRect(hDlg, &rcWindow); // error check?
w = rcWindow.right - rcWindow.left + 1;
h = rcWindow.bottom - rcWindow.top + 1;
x = (::GetSystemMetrics(SM_CXSCREEN) - w) / 2; // error check?
y = (::GetSystemMetrics(SM_CYSCREEN) - h) / 2; // error check?
// NTRAID#NTBUG9 - 591839 - 2002/04/01 - mgrier - Missing error check
::MoveWindow(hDlg, x, y, w, h, FALSE); // error check?
winfo.cbSize = sizeof(winfo);
winfo.hwnd = hDlg;
winfo.dwFlags = FLASHW_ALL;
winfo.uCount = 3;
winfo.dwTimeout = 0;
// NTRAID#NTBUG9 - 591839 - 2002/04/01 - mgrier - Missing error check
::SetForegroundWindow(hDlg); // error check?
// NTRAID#NTBUG9 - 591839 - 2002/04/01 - mgrier - Missing error check
::FlashWindowEx(&winfo); // error check?
}
//
// Create the device-change notification
//
if (pThis->m_pvDeviceChange == NULL)
{
DEV_BROADCAST_DEVICEINTERFACE_W FilterData = { 0 };
FilterData.dbcc_size = sizeof(FilterData);
FilterData.dbcc_devicetype = DBT_DEVTYP_DEVICEINTERFACE;
FilterData.dbcc_classguid = GUID_DEVCLASS_CDROM;
IFW32NULL_ORIGINATE_AND_EXIT(
pThis->m_pvDeviceChange = ::RegisterDeviceNotificationW(
hDlg,
&FilterData,
DEVICE_NOTIFY_WINDOW_HANDLE));
}
//
// Turn off autorun
//
IFW32ZERO_ORIGINATE_AND_EXIT(pThis->m_uiAutoRunMsg = ::RegisterWindowMessageW(L"QueryCancelAutoPlay"));
//
// Fidget with the text in the popup dialog now
//
{
CSmallStringBuffer sbFormatter;
CSmallStringBuffer buffFormattedText;
CStringBufferAccessor acc;
//
// It is ok if these memory allocations fail, the ui will degrade.
// As well, that's a reason to leave the buffers "small" and not "tiny".
// ?
//
sbFormatter.Win32ResizeBuffer(512, eDoNotPreserveBufferContents);
buffFormattedText.Win32ResizeBuffer(512, eDoNotPreserveBufferContents);
//
// Set the "Insert your .... now"
//
sbFormatter.Clear();
acc.Attach(&sbFormatter);
// NTRAID#NTBUG9 - 591839 - 2002/04/01 - mgrier - Missing error check
::GetDlgItemTextW( // error check?
hDlg,
IDC_MEDIA_NAME,
acc,
static_cast<DWORD>(sbFormatter.GetBufferCch()));
acc.Detach();
if (pThis->m_CodebaseInfo->GetPromptText().Cch() != 0)
{
IFW32FALSE_EXIT(buffFormattedText.Win32Format(
sbFormatter,
static_cast<PCWSTR>(pThis->m_CodebaseInfo->GetPromptText())));
// NTRAID#NTBUG9 - 591839 - 2002/04/01 - mgrier - Missing error check
::SetDlgItemTextW(hDlg, IDC_MEDIA_NAME, static_cast<PCWSTR>(buffFormattedText)); // error check?
}
else
{
#if DBG
::FusionpDbgPrintEx(
FUSION_DBG_LEVEL_WFP,
"SXS: %s - setting IDC_MEDIA_NAME to empty\n", __FUNCTION__);
#endif
// NTRAID#NTBUG9 - 591839 - 2002/04/01 - mgrier - Missing error check
::SetDlgItemTextW(hDlg, IDC_MEDIA_NAME, L""); // error check?
}
//
// Now, depending on what kind of box this is..
//
if (!pThis->m_fIsCDROM)
{
CSmallStringBuffer buffTempStringBuffer;
SxsWFPResolveCodebase CodebaseType;
sbFormatter.Clear();
acc.Attach(&sbFormatter);
// NTRAID#NTBUG9 - 591839 - 2002/04/01 - mgrier - Missing error check
::GetDlgItemTextW( // error check?
hDlg,
IDC_NET_NAME,
acc,
static_cast<DWORD>(sbFormatter.GetBufferCch()));
acc.Detach();
IFW32FALSE_EXIT(pThis->m_CodebaseInfo->Win32GetType(CodebaseType));
//
// If this is the Windows install media, display something
// pleasant to the user - \\server\share only!
//
if (CodebaseType == CODEBASE_RESOLVED_URLHEAD_WINSOURCE)
{
IFW32FALSE_EXIT(::SxspFindInstallWindowsSourcePath(buffTempStringBuffer));
}
else
{
IFW32FALSE_EXIT(buffTempStringBuffer.Win32Assign(pThis->m_CodebaseInfo->GetCodebase()));
}
if (buffTempStringBuffer.Cch() != 0)
{
IFW32FALSE_EXIT(buffFormattedText.Win32Format(sbFormatter, static_cast<PCWSTR>(buffTempStringBuffer)));
IFW32FALSE_EXIT(::SetDlgItemTextW(hDlg, IDC_NET_NAME, buffFormattedText));
}
else
{
#if DBG
::FusionpDbgPrintEx(
FUSION_DBG_LEVEL_WFP,
"SXS: %s - setting IDC_NET_NAME to empty\n", __FUNCTION__);
#endif
IFW32FALSE_EXIT(::SetDlgItemTextW(hDlg, IDC_NET_NAME, L""));
}
}
else
{
//
// TODO (jonwis) : This is a CD-rom based install, so we should do
// something sane about prompting for the windows CD.
//
}
//
// Now get the prompt from the resources.. we only have one, really.
//
sbFormatter.Clear();
acc.Attach(&sbFormatter);
// NTRAID#NTBUG9 - 591839 - 2002/04/01 - mgrier - Missing error check
::LoadStringW( // error check?
g_hInstance,
IDS_RESTORE_TEXT,
acc.GetBufferPtr(),
acc.GetBufferCchAsDWORD());
acc.Detach();
// NTRAID#NTBUG9 - 591839 - 2002/04/01 - mgrier - Missing error check
::SetDlgItemTextW(hDlg, IDC_PROMPT_TEXT, sbFormatter); // error check?
}
}
break;
case WM_COMMAND:
switch (LOWORD(wParam))
{
case IDC_RETRY:
pThis->m_DeviceChangeMask = static_cast<DWORD>(-1);
pThis->m_DeviceChangeFlags = DBTF_MEDIA;
IFW32FALSE_ORIGINATE_AND_EXIT(::PostMessageW(hDlg, WM_TRYAGAIN, 0, 0));
break;
case IDC_INFO:
IFW32FALSE_EXIT(
pThis->DisplayMessage(
NULL,
pThis->m_fIsCDROM ? IDS_MORE_INFORMATION_CD : IDS_MORE_INFORMATION_NET,
MB_ICONINFORMATION | MB_SERVICE_NOTIFICATION | MB_OK,
iMessageBoxResult));
break;
case IDCANCEL:
IFW32FALSE_EXIT(
pThis->DisplayMessage(
hDlg,
IDS_CANCEL_CONFIRM,
MB_APPLMODAL | MB_YESNO | MB_DEFBUTTON2 | MB_ICONWARNING,
iMessageBoxResult));
if (iMessageBoxResult == IDYES)
{
// NTRAID#NTBUG9 - 591839 - 2002/04/01 - mgrier - Missing error check
::UnregisterDeviceNotification(pThis->m_pvDeviceChange); // error check?
// NTRAID#NTBUG9 - 591839 - 2002/04/01 - mgrier - Missing error check
::EndDialog(hDlg, CSXSMediaPromptDialog::DialogCancelled); // error check?
}
break;
}
break; // WM_COMMAND
case WM_DEVICECHANGE:
if (wParam == DBT_DEVICEARRIVAL)
{
DEV_BROADCAST_VOLUME *dbv = reinterpret_cast<DEV_BROADCAST_VOLUME*>(lParam);
ASSERT(dbv != NULL);
if (dbv->dbcv_devicetype == DBT_DEVTYP_VOLUME)
{
pThis->m_DeviceChangeMask = dbv->dbcv_unitmask;
pThis->m_DeviceChangeFlags = dbv->dbcv_flags;
// NTRAID#NTBUG9 - 591839 - 2002/04/01 - mgrier - Missing error check
::PostMessageW(hDlg, WM_TRYAGAIN, 0, 0); // error check?
}
}
break;
case WM_TRYAGAIN:
// NTRAID#NTBUG9 - 591839 - 2002/04/01 - mgrier - Missing error check
::UnregisterDeviceNotification(pThis->m_pvDeviceChange); // error check?
// NTRAID#NTBUG9 - 591839 - 2002/04/01 - mgrier - Missing error check
::EndDialog(hDlg, CSXSMediaPromptDialog::DialogMediaFound); // error check?
break;
}
Exit:
return iResult;
}