Leaked source code of windows server 2003
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325 lines
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#include "precomp.h"
#include <ntverp.h> //these are for
#include <common.ver> //ver_productversion_str
// private forward declarations
#define LOCK_FILENAME TEXT("LOCK")
#define MAX_LOCK_SPINS 10 // number of timeouts before we give up
#define LOCK_TIMEOUT 2000 // in milliseconds
static inline LPPROPSHEETCOOKIE getPropSheetCookie(HWND hDlg);
int SIEErrorMessageBox(HWND hDlg, UINT idErrStr, UINT uiFlags /* = 0 */)
{
static TCHAR s_szTitle[128];
TCHAR szMessage[MAX_PATH];
if (ISNULL(s_szTitle))
LoadString(g_hInstance, IDS_SIE_NAME, s_szTitle, countof(s_szTitle));
if (LoadString(g_hInstance, idErrStr, szMessage, countof(szMessage)) == 0)
LoadString(g_hUIInstance, idErrStr, szMessage, countof(szMessage));
return MessageBox(hDlg, szMessage, s_szTitle, uiFlags ? uiFlags : MB_OK | MB_SETFOREGROUND | MB_ICONEXCLAMATION);
}
void CreateWorkDir(LPCTSTR pcszInsFile, LPCTSTR pcszFeatureDir, LPTSTR pszWorkDir,
LPCTSTR pcszCabDir /* = NULL */, BOOL fCreate /* = TRUE */)
{
StrCpy(pszWorkDir, pcszInsFile);
PathRemoveFileSpec(pszWorkDir);
if (pcszCabDir != NULL)
PathAppend(pszWorkDir, pcszCabDir);
PathAppend(pszWorkDir, pcszFeatureDir);
if (fCreate)
{
if (!PathFileExists(pszWorkDir))
PathCreatePath(pszWorkDir);
}
}
UINT CALLBACK PropSheetPageProc(HWND hwnd, UINT uMsg, LPPROPSHEETPAGE ppsp)
{
UNREFERENCED_PARAMETER(hwnd);
if ((uMsg == PSPCB_RELEASE) && (ppsp->lParam != NULL))
{
CoTaskMemFree((LPVOID)ppsp->lParam);
ppsp->lParam = NULL;
}
return TRUE;
}
void SetPropSheetCookie(HWND hDlg, LPARAM lParam)
{
LPPROPSHEETCOOKIE lpPropSheetCookie = (LPPROPSHEETCOOKIE)(((LPPROPSHEETPAGE)lParam)->lParam);
TCHAR szTitle[MAX_PATH];
INT iNamePrefID = lpPropSheetCookie->lpResultItem->iNamePrefID;
BOOL fPrefTitle = (!InsIsKeyEmpty(IS_BRANDING, IK_GPE_ONETIME_GUID, lpPropSheetCookie->pCS->GetInsFile())) &&
(iNamePrefID != -1);
SetWindowLongPtr(hDlg, DWLP_USER, (LONG_PTR)lpPropSheetCookie);
// overload the page title to get rid of the "properties" suffix
if (LoadString(g_hUIInstance, fPrefTitle ?
iNamePrefID : lpPropSheetCookie->lpResultItem->iNameID,
szTitle, countof(szTitle)) != 0)
SetWindowText(GetParent(hDlg), szTitle);
}
LPCTSTR GetInsFile(LPVOID lpVoid)
{
LPPROPSHEETCOOKIE lpPropSheetCookie = getPropSheetCookie((HWND)lpVoid);
return lpPropSheetCookie->pCS->GetInsFile();
}
void ShowHelpTopic(LPVOID lpVoid)
{
LPPROPSHEETCOOKIE lpPropSheetCookie = getPropSheetCookie((HWND)lpVoid);
if (lpPropSheetCookie && lpPropSheetCookie->lpResultItem)
{
WCHAR wszHelpTopic[MAX_PATH];
StrCpyW(wszHelpTopic, HELP_FILENAME TEXT("::/"));
StrCatW(wszHelpTopic, lpPropSheetCookie->lpResultItem->pcszHelpTopic);
MMCPropertyHelp((LPOLESTR)wszHelpTopic);
}
}
BOOL AcquireWriteCriticalSection(HWND hDlg, CComponentData * pCDCurrent /* = NULL */,
BOOL fCreateCookie /* = TRUE */)
{
CComponentData * pCD;
TCHAR szLockFile[MAX_PATH];
LPTSTR pszLockName;
HANDLE hLock;
DWORD dwRet;
BOOL fRet = TRUE;
if (hDlg != NULL)
{
LPPROPSHEETCOOKIE lpPropSheetCookie = getPropSheetCookie(hDlg);
pCD = lpPropSheetCookie->pCS->GetCompData();
}
else
if (pCDCurrent)
pCD = pCDCurrent;
else
{
fRet = false;
goto exit;
}
StrCpy(szLockFile, pCD->GetInsFile());
PathRemoveFileSpec(szLockFile);
PathAppend(szLockFile, TEXT("LOCK"));
PathCreatePath(szLockFile);
pszLockName = PathAddBackslash(szLockFile);
StrCpy(pszLockName, LOCK_FILENAME);
// (pritobla): Delete the lock file before acquiring it.
// If someone else has acquired it, the delete would fail, which is correct behavior.
// If the file was left behind (probably because the machine crashed the last time the file was created),
// then the delete would succeed and subsequently, the CreateFile would succeed.
DeleteFile(szLockFile);
hLock = CreateFile(szLockFile, GENERIC_WRITE, 0, NULL, CREATE_NEW,
FILE_ATTRIBUTE_NORMAL | FILE_FLAG_DELETE_ON_CLOSE, NULL);
if (hLock == INVALID_HANDLE_VALUE)
{
HANDLE hNotify;
DWORD dwSpins = 0;
*pszLockName = TEXT('\0');
hNotify = FindFirstChangeNotification(szLockFile, FALSE, FILE_NOTIFY_CHANGE_FILE_NAME);
if (hNotify == INVALID_HANDLE_VALUE)
{
fRet = FALSE;
goto exit;
}
StrCpy(pszLockName, LOCK_FILENAME);
do
{
while (((dwRet = MsgWaitForMultipleObjects(1, &hNotify, FALSE, LOCK_TIMEOUT, QS_ALLINPUT)) != WAIT_OBJECT_0) &&
(dwRet != WAIT_TIMEOUT))
{
MSG msg;
while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
dwSpins++;
hLock = CreateFile(szLockFile, GENERIC_WRITE, 0, NULL, CREATE_NEW,
FILE_ATTRIBUTE_NORMAL | FILE_FLAG_DELETE_ON_CLOSE, NULL);
if ((hLock != INVALID_HANDLE_VALUE) || (dwSpins == MAX_LOCK_SPINS))
break;
}
while (FindNextChangeNotification(hNotify));
if (!FindCloseChangeNotification(hNotify) || (hLock == INVALID_HANDLE_VALUE))
{
if (hLock != INVALID_HANDLE_VALUE)
CloseHandle(hLock);
fRet = FALSE;
goto exit;
}
}
pCD->SetLockHandle(hLock);
if (fCreateCookie)
{
// now that we have the lock, create our cookie file in our root GPO dir
*(pszLockName-1) = TEXT('\0');
PathRemoveFileSpec(szLockFile);
PathAppend(szLockFile, IEAK_GPE_COOKIE_FILE);
hLock = CreateFile(szLockFile, GENERIC_WRITE, 0, NULL, CREATE_NEW,
FILE_ATTRIBUTE_NORMAL, NULL);
if (hLock != INVALID_HANDLE_VALUE)
CloseHandle(hLock);
else
{
ASSERT(FALSE);
}
}
exit:
if (!fRet)
{
TCHAR szTitle[MAX_PATH], szMsg[MAX_PATH];
LoadString(g_hInstance, IDS_SIE_NAME, szTitle, countof(szTitle));
LoadString(g_hInstance, IDS_ERROR_SAVE, szMsg, countof(szMsg));
MessageBox(hDlg, szMsg, szTitle, MB_OK | MB_SETFOREGROUND | MB_ICONEXCLAMATION);
}
return fRet;
}
void ReleaseWriteCriticalSection(CComponentData * pCD, BOOL fDeleteCookie, BOOL fApplyPolicy,
BOOL bMachine /* = FALSE */, BOOL bAdd /* = FALSE */,
GUID *pGuidExtension /* = NULL */, GUID *pGuidSnapin /* = NULL */)
{
HANDLE hLock;
if (fDeleteCookie)
{
TCHAR szCookieFile[MAX_PATH];
StrCpy(szCookieFile, pCD->GetInsFile());
PathRemoveFileSpec(szCookieFile);
PathAppend(szCookieFile, IEAK_GPE_COOKIE_FILE);
DeleteFile(szCookieFile);
if (fApplyPolicy)
pCD->SignalPolicyChanged(bMachine, bAdd, pGuidExtension, pGuidSnapin);
}
if ((hLock = pCD->GetLockHandle()) != INVALID_HANDLE_VALUE)
{
pCD->SetLockHandle(INVALID_HANDLE_VALUE);
CloseHandle(hLock);
}
else
{
ASSERT(FALSE);
}
}
void SignalPolicyChanged(HWND hDlg, BOOL bMachine, BOOL bAdd, GUID *pGuidExtension,
GUID *pGuidSnapin, BOOL fAdvanced /* = FALSE */)
{
LPPROPSHEETCOOKIE lpPropSheetCookie = getPropSheetCookie(hDlg);
TCHAR szCookieFile[MAX_PATH];
TCHAR szGuid[128];
GUID guid;
USES_CONVERSION;
StrCpy(szCookieFile, lpPropSheetCookie->pCS->GetInsFile());
WritePrivateProfileString(BRANDING, GPVERKEY, A2CT(VER_PRODUCTVERSION_STR), szCookieFile);
//clear other keys so we're sure this is GP
WritePrivateProfileString(BRANDING, PMVERKEY, NULL, szCookieFile);
WritePrivateProfileString(BRANDING, IK_WIZVERSION, NULL, szCookieFile);
// write out a new guid for one time branding to the ins file if there was already one
// there to signify apply only once is checked
if (!InsIsKeyEmpty(IS_BRANDING, IK_GPE_ONETIME_GUID, szCookieFile))
{
if (CoCreateGuid(&guid) == NOERROR)
CoStringFromGUID(guid, szGuid, countof(szGuid));
else
szGuid[64] = TEXT('\0');
InsWriteString(IS_BRANDING, IK_GPE_ONETIME_GUID, szGuid, szCookieFile);
}
// write out a separate guid to track adms since they are always preferences
if (fAdvanced)
{
if (CoCreateGuid(&guid) == NOERROR)
CoStringFromGUID(guid, szGuid, countof(szGuid));
else
szGuid[64] = TEXT('\0');
InsWriteString(IS_BRANDING, IK_GPE_ADM_GUID, szGuid, szCookieFile);
}
InsFlushChanges(szCookieFile);
ReleaseWriteCriticalSection(lpPropSheetCookie->pCS->GetCompData(), TRUE, TRUE, bMachine, bAdd,
pGuidExtension, pGuidSnapin);
}
LPCTSTR GetCurrentAdmFile(LPVOID lpVoid)
{
LPPROPSHEETCOOKIE lpPropSheetCookie = getPropSheetCookie((HWND)lpVoid);
return lpPropSheetCookie->lpResultItem->pszDesc;
}
LPTSTR res2Str(int nIDString, LPTSTR pszBuffer, UINT cbBuffer)
{
if (pszBuffer == NULL || cbBuffer == 0)
return NULL;
*pszBuffer = TEXT('\0');
if (LoadString(g_hInstance, nIDString, pszBuffer, cbBuffer) == 0)
LoadString(g_hUIInstance, nIDString, pszBuffer, cbBuffer);
return pszBuffer;
}
// private helper APIs for this file
static inline LPPROPSHEETCOOKIE getPropSheetCookie(HWND hDlg)
{
return (LPPROPSHEETCOOKIE)GetWindowLongPtr(hDlg, DWLP_USER);
}