Leaked source code of windows server 2003
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//*************************************************************
//
// Events.c - Routines to handle the event log
//
// Microsoft Confidential
// Copyright (c) Microsoft Corporation 1995
// All rights reserved
//
//*************************************************************
#include "uenv.h"
#include "profmgr.hxx"
#include "strsafe.h"
extern CUserProfile cUserProfileManager;
HANDLE hEventLog = NULL;
TCHAR EventSourceName[] = TEXT("Userenv");
INT_PTR APIENTRY ErrorDlgProc (HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam);
BOOL GetShareName(LPTSTR lpDir, LPTSTR *lppShare);
//*************************************************************
//
// InitializeEvents()
//
// Purpose: Opens the event log
//
// Parameters: void
//
// Return: TRUE if successful
// FALSE if an error occurs
//
// Comments:
//
// History: Date Author Comment
// 7/17/95 ericflo Created
//
//*************************************************************
BOOL InitializeEvents (void)
{
//
// Open the event source
//
hEventLog = RegisterEventSource(NULL, EventSourceName);
if (hEventLog) {
return TRUE;
}
DebugMsg((DM_WARNING, TEXT("InitializeEvents: Could not open event log. Error = %d"), GetLastError()));
return FALSE;
}
//*************************************************************
//
// Implementation of CEvents
//
//*************************************************************
//*************************************************************
// CEvents::CEvents
// Purpose: Constructor
//
// Parameters:
// dwFlags - Error, Warning or informational
// dwId - Id of the eventlog msg
//
//
// allocates a default sized array for the messages
//*************************************************************
#define DEF_ARG_SIZE 10
CEvents::CEvents(DWORD dwFlags, DWORD dwId ) :
m_cStrings(0), m_cAllocated(0), m_bInitialised(FALSE),
m_dwEventType(dwFlags), m_dwId(dwId), m_bFailed(TRUE)
{
XLastError xe;
//
// Allocate a default size for the message
//
m_xlpStrings = (LPTSTR *)LocalAlloc(LPTR, sizeof(LPTSTR)*DEF_ARG_SIZE);
m_cAllocated = DEF_ARG_SIZE;
if (!m_xlpStrings) {
DebugMsg((DM_WARNING, TEXT("CEvent::CEvent Cannot log event, failed to allocate memory, error %d"), GetLastError()));
return;
}
//
// Initialise eventlog if it is not already initialised
//
if (!hEventLog) {
if (!InitializeEvents()) {
DebugMsg((DM_WARNING, TEXT("CEvent::CEvent Cannot log event, no handle")));
return;
}
}
m_bInitialised = TRUE;
m_bFailed = FALSE;
}
//*************************************************************
// CEvents::~CEvents()
//
// Purpose: Destructor
//
// Parameters: void
//
// frees the memory
//*************************************************************
CEvents::~CEvents()
{
XLastError xe;
for (int i = 0; i < m_cStrings; i++)
if (m_xlpStrings[i])
LocalFree(m_xlpStrings[i]);
}
//*************************************************************
//
// CEvents::ReallocArgStrings
//
// Purpose: Reallocates the buffer for storing arguments in case
// the buffer runs out
//
// Parameters: void
//
// reallocates
//*************************************************************
BOOL CEvents::ReallocArgStrings()
{
XPtrLF<LPTSTR> aStringsNew;
XLastError xe;
//
// first allocate a larger buffer
//
aStringsNew = (LPTSTR *)LocalAlloc(LPTR, sizeof(LPTSTR)*(m_cAllocated+DEF_ARG_SIZE));
if (!aStringsNew) {
DebugMsg((DM_WARNING, TEXT("CEvent::ReallocArgStrings Cannot add memory, error = %d"), GetLastError()));
m_bFailed = TRUE;
return FALSE;
}
//
// copy the arguments
//
for (int i = 0; i < (m_cAllocated); i++) {
aStringsNew[i] = m_xlpStrings[i];
}
m_xlpStrings = aStringsNew.Acquire();
m_cAllocated+= DEF_ARG_SIZE;
return TRUE;
}
//*************************************************************
//
// CEvents::AddArg
//
// Purpose: Add arguments appropriately formatted
//
// Parameters:
//
//*************************************************************
BOOL CEvents::AddArg(LPTSTR szArg)
{
XLastError xe;
DWORD cchString;
if ((!m_bInitialised) || (m_bFailed)) {
DebugMsg((DM_WARNING, TEXT("CEvent::AddArg: Cannot log event, not initialised or failed before")));
return FALSE;
}
if (m_cStrings == m_cAllocated) {
if (!ReallocArgStrings())
return FALSE;
}
cchString = lstrlen(szArg)+1;
m_xlpStrings[m_cStrings] = (LPTSTR)LocalAlloc(LPTR, sizeof(TCHAR) * cchString);
if (!m_xlpStrings[m_cStrings]) {
DebugMsg((DM_WARNING, TEXT("CEvent::AddArg Cannot allocate memory, error = %d"), GetLastError()));
m_bFailed = TRUE;
return FALSE;
}
StringCchCopy(m_xlpStrings[m_cStrings], cchString, szArg);
m_cStrings++;
return TRUE;
}
//*************************************************************
//
// CEvents::AddArg
//
// Purpose: Add arguments appropriately truncated
//
// Parameters: szArgFormat - sprintf format, e.g. %.500s
//
//*************************************************************
BOOL CEvents::AddArg(LPTSTR szArgFormat, LPTSTR szArg)
{
const DWORD cchString = 200;
if ((!m_bInitialised) || (m_bFailed)) {
DebugMsg((DM_WARNING, TEXT("CEvent::AddArg: Cannot log event, not initialised or failed before")));
return FALSE;
}
if (m_cStrings == m_cAllocated) {
if (!ReallocArgStrings())
return FALSE;
}
m_xlpStrings[m_cStrings] = (LPTSTR)LocalAlloc(LPTR, sizeof(TCHAR) * cchString);
if (!m_xlpStrings[m_cStrings]) {
DebugMsg((DM_WARNING, TEXT("CEvent::AddArg Cannot allocate memory, error = %d"), GetLastError()));
m_bFailed = TRUE;
return FALSE;
}
StringCchPrintf(m_xlpStrings[m_cStrings], cchString, szArgFormat, szArg);
m_cStrings++;
return TRUE;
}
//*************************************************************
//
// CEvents::AddArg
//
// Purpose: Add arguments appropriately formatted
//
// Parameters:
//
//*************************************************************
BOOL CEvents::AddArg(DWORD dwArg)
{
XLastError xe;
const DWORD cchString = 20;
if ((!m_bInitialised) || (m_bFailed)) {
DebugMsg((DM_WARNING, TEXT("CEvent::AddArg(dw): Cannot log event, not initialised or failed before")));
return FALSE;
}
if (m_cStrings == m_cAllocated) {
if (!ReallocArgStrings())
return FALSE;
}
// 2^32 < 10^10
m_xlpStrings[m_cStrings] = (LPTSTR)LocalAlloc(LPTR, sizeof(TCHAR) * cchString);
if (!m_xlpStrings[m_cStrings]) {
DebugMsg((DM_WARNING, TEXT("CEvent::AddArg Cannot allocate memory, error = %d"), GetLastError()));
m_bFailed = TRUE;
return FALSE;
}
StringCchPrintf(m_xlpStrings[m_cStrings], cchString, TEXT("%d"), dwArg);
m_cStrings++;
return TRUE;
}
//*************************************************************
//
// CEvents::AddArgHex
//
// Purpose: Add arguments appropriately formatted
//
// Parameters:
//
//*************************************************************
BOOL CEvents::AddArgHex(DWORD dwArg)
{
XLastError xe;
const DWORD cchString = 20;
if ((!m_bInitialised) || (m_bFailed)) {
DebugMsg((DM_WARNING, TEXT("CEvent::AddArgHex: Cannot log event, not initialised or failed before")));
return FALSE;
}
if (m_cStrings == m_cAllocated) {
if (!ReallocArgStrings())
return FALSE;
}
m_xlpStrings[m_cStrings] = (LPTSTR)LocalAlloc(LPTR, sizeof(TCHAR) * cchString);
if (!m_xlpStrings[m_cStrings]) {
DebugMsg((DM_WARNING, TEXT("CEvent::AddArgHex Cannot allocate memory, error = %d"), GetLastError()));
m_bFailed = TRUE;
return FALSE;
}
StringCchPrintf(m_xlpStrings[m_cStrings], cchString, TEXT("%#x"), dwArg);
m_cStrings++;
return TRUE;
}
//*************************************************************
//
// CEvents::AddArgWin32Error
//
// Purpose: Add arguments appropriately formatted
//
// Parameters:
//
//*************************************************************
BOOL CEvents::AddArgWin32Error(DWORD dwArg)
{
XLastError xe;
if ((!m_bInitialised) || (m_bFailed))
{
DebugMsg((DM_WARNING, TEXT("CEvent::AddArgWin32Error: Cannot log event, not initialised or failed before")));
return FALSE;
}
if (m_cStrings == m_cAllocated)
{
if (!ReallocArgStrings())
return FALSE;
}
if ( FormatMessage( FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_MAX_WIDTH_MASK,
0,
dwArg,
0,
(LPTSTR) &m_xlpStrings[m_cStrings],
1,
0 ) == 0 )
{
DebugMsg((DM_WARNING, TEXT("CEvent::AddArgWin32Error: Cannot log event, FormatMessage failed, %d"), GetLastError()));
m_bFailed = TRUE;
return FALSE;
}
m_cStrings++;
return TRUE;
}
//*************************************************************
//
// CEvents::AddArgLdapError
//
// Purpose: Add arguments appropriately formatted
//
// Parameters:
//
//*************************************************************
BOOL CEvents::AddArgLdapError(DWORD dwArg)
{
XLastError xe;
PLDAP_API pLdap = LoadLDAP();
if ( pLdap )
{
return AddArg( pLdap->pfnldap_err2string( dwArg ) );
}
else
{
return FALSE;
}
}
//*************************************************************
//
// CEvents::Report
//
// Purpose: Actually collectes all the arguments and reports it to
// the eventlog
//
// Parameters: void
//
//*************************************************************
BOOL CEvents::Report()
{
XLastError xe;
XHandle xhToken;
PSID pSid = NULL;
WORD wType=0;
BOOL bResult = TRUE;
if ((!m_bInitialised) || (m_bFailed))
{
DebugMsg((DM_WARNING, TEXT("CEvents::Report: Cannot log event, not initialised or failed before")));
return FALSE;
}
//
// Get the caller's token
//
if (!OpenThreadToken (GetCurrentThread(), TOKEN_IMPERSONATE | TOKEN_READ | TOKEN_DUPLICATE,
TRUE, &xhToken))
{
OpenProcessToken(GetCurrentProcess(), TOKEN_IMPERSONATE | TOKEN_READ | TOKEN_DUPLICATE,
&xhToken);
}
//
// Get the caller's sid
//
if (xhToken)
{
pSid = GetUserSid(xhToken);
if (!pSid)
{
DebugMsg((DM_WARNING, TEXT("CEvents::Report: Failed to get the sid")));
}
}
if (m_dwEventType & EVENT_INFO_TYPE)
{
wType = EVENTLOG_INFORMATION_TYPE;
}
else if (m_dwEventType & EVENT_WARNING_TYPE)
{
wType = EVENTLOG_WARNING_TYPE;
}
else
{
wType = EVENTLOG_ERROR_TYPE;
}
if ( !ReportEvent( hEventLog,
wType,
0,
m_dwId,
pSid,
m_cStrings,
0,
(LPCTSTR *)((LPTSTR *)m_xlpStrings),
0 ) )
{
DebugMsg((DM_WARNING, TEXT("CEvents::Report: ReportEvent failed. Error = %d"), GetLastError()));
bResult = FALSE;
}
if (pSid)
{
DeleteUserSid(pSid);
}
return bResult;
}
LPTSTR CEvents::FormatString()
{
XLastError xe;
BOOL bResult = TRUE;
LPTSTR szMsg=NULL;
if ((!m_bInitialised) || (m_bFailed)) {
DebugMsg((DM_WARNING, TEXT("CEvents::Report: Cannot log event, not initialised or failed before")));
return FALSE;
}
if (!FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_HMODULE |
FORMAT_MESSAGE_ARGUMENT_ARRAY,
g_hDllInstance,
m_dwId,
0,
(LPTSTR)&szMsg,
0, // min number of chars
(va_list *)(LPTSTR *)(m_xlpStrings))) {
DebugMsg((DM_WARNING, TEXT("CEvents::FormatString: ReportEvent failed. Error = %d"), GetLastError()));
return NULL;
}
return szMsg;
}
//*************************************************************
//
// LogEvent()
//
// Purpose: Logs an event to the event log
//
// Parameters: dwFlags - Error, Warning or informational
// idMsg - Message id
//
// Return: TRUE if successful
// FALSE if an error occurs
//
// Comments:
//
// History: Date Author Comment
// 2/5/98 ericflo Created
//
//*************************************************************
int LogEvent (DWORD dwFlags, UINT idMsg, ...)
{
XLastError xe;
TCHAR szMsg[MAX_PATH];
LPTSTR lpErrorMsg;
va_list marker;
CEvents ev(dwFlags, EVENT_ERROR);
DWORD cchErrorMsg;
//
// Load the message
//
if (idMsg != 0) {
if (!LoadString (g_hDllInstance, idMsg, szMsg, ARRAYSIZE(szMsg))) {
DebugMsg((DM_WARNING, TEXT("LogEvent: LoadString failed. Error = %d"), GetLastError()));
return -1;
}
} else {
StringCchCopy (szMsg, ARRAYSIZE(szMsg), TEXT("%s"));
}
//
// Allocate space for the error message
//
cchErrorMsg = 4 * MAX_PATH + 100;
lpErrorMsg = (LPTSTR) LocalAlloc (LPTR, cchErrorMsg * sizeof(TCHAR));
if (!lpErrorMsg) {
DebugMsg((DM_WARNING, TEXT("LogEvent: LocalAlloc failed. Error = %d"), GetLastError()));
return -1;
}
//
// Plug in the arguments
//
va_start(marker, idMsg);
StringCchVPrintf(lpErrorMsg, cchErrorMsg, szMsg, marker);
va_end(marker);
//
// Now add this string to the arg list
//
ev.AddArg(lpErrorMsg);
//
// report
//
ev.Report();
LocalFree (lpErrorMsg);
return 0;
}
//*************************************************************
//
// ShutdownEvents()
//
// Purpose: Stops the event log
//
// Parameters: void
//
// Return: TRUE if successful
// FALSE if an error occurs
//
// Comments:
//
// History: Date Author Comment
// 7/17/95 ericflo Created
//
//*************************************************************
BOOL ShutdownEvents (void)
{
BOOL bRetVal = TRUE;
if (hEventLog) {
bRetVal = DeregisterEventSource(hEventLog);
hEventLog = NULL;
}
return bRetVal;
}
//*************************************************************
//
// ReportError()
//
// Purpose: Displays an error message to the user and
// records it in the event log
//
// Parameters: dwFlags - Flags. Also indicates event type.
// Default is Error.
// dwCount - Number of string arguments
// idMsg - Error message id
// ... - String arguments
//
// Return: TRUE if successful
// FALSE if an error occurs
//
// Comments: For EVENT_COPYERROR message we have to get the share
// name for the mapped drive.
// Be careful in future, if we add a new error message with
// dir name in it.
//
// History: Date Author Comment
// 7/18/95 ericflo Created
// 9/03/00 santanuc Modified to work for client
//
//*************************************************************
int ReportError (HANDLE hTokenUser, DWORD dwFlags, DWORD dwCount, UINT idMsg, ...)
{
TCHAR szMsg[MAX_PATH];
LPTSTR lpErrorMsg=NULL, szArg;
va_list marker;
INT iChars;
BOOL bImpersonated = FALSE;
HANDLE hOldToken;
LPTSTR szSidUser = NULL;
DWORD dwErr = ERROR_SUCCESS;
handle_t hIfProfileDialog; // rpc explicit binding handle for IProfileDialog interface
LPTSTR lpRPCEndPoint = NULL; // RPCEndPoint for IProfileDialog interface registered in client side
RPC_ASYNC_STATE AsyncHnd; // Async handle for making async rpc interface calls
RPC_STATUS status = RPC_S_OK;
LPTSTR lpShare = NULL;
if (hTokenUser) {
if (!ImpersonateUser(hTokenUser, &hOldToken)) {
DebugMsg((DM_WARNING, TEXT("ReportError: ImpersonateUser failed with error %d."), GetLastError()));
}
else {
bImpersonated = TRUE;
DebugMsg((DM_WARNING, TEXT("ReportError: Impersonating user.")));
}
}
CEvents ev(dwFlags, idMsg);
//
// Plug in the arguments
//
va_start(marker, idMsg);
for (DWORD i = 0; i < dwCount; i++) {
szArg = va_arg(marker, LPTSTR);
//
// Only EVENT_COPYERROR has first two parameters as dir name. So try to replace
// the mapped drive with correct share name
//
if (idMsg == EVENT_COPYERROR && i < 2 && GetShareName(szArg, &lpShare)) {
ev.AddArg(lpShare);
LocalFree(lpShare);
}
else {
ev.AddArg(szArg);
}
}
va_end(marker);
if (!(dwFlags & PI_NOUI)) {
DWORD dwDlgTimeOut = PROFILE_DLG_TIMEOUT;
DWORD dwSize, dwType;
LONG lResult;
HKEY hKey;
//
// Find the dialog box timeout
//
lResult = RegOpenKeyEx(HKEY_LOCAL_MACHINE,
WINLOGON_KEY,
0,
KEY_READ,
&hKey);
if (lResult == ERROR_SUCCESS) {
dwSize = sizeof(DWORD);
RegQueryValueEx (hKey,
TEXT("ProfileDlgTimeOut"),
NULL,
&dwType,
(LPBYTE) &dwDlgTimeOut,
&dwSize);
RegCloseKey (hKey);
}
lResult = RegOpenKeyEx(HKEY_LOCAL_MACHINE,
SYSTEM_POLICIES_KEY,
0,
KEY_READ,
&hKey);
if (lResult == ERROR_SUCCESS) {
dwSize = sizeof(DWORD);
RegQueryValueEx (hKey,
TEXT("ProfileDlgTimeOut"),
NULL,
&dwType,
(LPBYTE) &dwDlgTimeOut,
&dwSize);
RegCloseKey (hKey);
}
lpErrorMsg = ev.FormatString();
if (lpErrorMsg) {
DebugMsg((DM_VERBOSE, TEXT("ReportError: Logging Error <%s> \n"), lpErrorMsg));
//
// Display the message
//
szSidUser = GetSidString(hTokenUser);
if (szSidUser) {
BYTE* pbCookie = NULL;
DWORD cbCookie = 0;
//
// Get the registered interface explicit binding handle using RPCEndPoint
//
if (cUserProfileManager.IsConsoleWinlogon()) {
cUserProfileManager.GetRPCEndPointAndCookie(szSidUser, &lpRPCEndPoint, &pbCookie, &cbCookie);
}
if (lpRPCEndPoint && GetInterface(&hIfProfileDialog, lpRPCEndPoint)) {
DebugMsg((DM_VERBOSE, TEXT("ReportError: RPC End point %s"), lpRPCEndPoint));
status = RpcAsyncInitializeHandle(&AsyncHnd, sizeof(RPC_ASYNC_STATE));
if (status != RPC_S_OK) {
dwErr = status;
DebugMsg((DM_WARNING, TEXT("ReportError: RpcAsyncInitializeHandle failed. err = %d"), dwErr));
}
else {
AsyncHnd.UserInfo = NULL; // App specific info, not req
AsyncHnd.NotificationType = RpcNotificationTypeEvent; // Init the notification event
AsyncHnd.u.hEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
if (AsyncHnd.u.hEvent) {
RpcTryExcept {
cliErrorDialog(&AsyncHnd, hIfProfileDialog, dwDlgTimeOut, lpErrorMsg, pbCookie, cbCookie);
dwErr = RPC_S_OK;
}
RpcExcept(I_RpcExceptionFilter(RpcExceptionCode())) {
dwErr = RpcExceptionCode();
DebugMsg((DM_WARNING, TEXT("ReportError: Calling ErrorDialog took exception. err = %d"), dwErr));
}
RpcEndExcept;
// In case of exception, the runtime will do the cleanup.
if (dwErr == RPC_S_OK) {
DebugMsg((DM_VERBOSE, TEXT("ReportError: waiting on rpc async event")));
if (WaitForSingleObject(AsyncHnd.u.hEvent, (dwDlgTimeOut + 10)*1000) == WAIT_OBJECT_0) {
status = RpcAsyncCompleteCall(&AsyncHnd, (PVOID)&dwErr);
}
else {
DebugMsg((DM_WARNING, TEXT("ReportError: Timeout occurs. Client not responding")));
// Abortive cancle, should always succeed
status = RpcAsyncCancelCall(&AsyncHnd, TRUE);
DmAssert(status == RPC_S_OK);
// Now wait for RPC to take notice of the force abort
if (WaitForSingleObject(AsyncHnd.u.hEvent, INFINITE) != WAIT_OBJECT_0) {
DmAssert(FALSE && "WaitForSingleObject : Rpc async handle not signaled");
}
// Complete the Rpc aborted call.
status = RpcAsyncCompleteCall(&AsyncHnd, (PVOID)&dwErr);
}
DebugMsg((DM_VERBOSE, TEXT("RpcAsyncCompleteCall finished, status = %d"), status));
}
// Release the resource
CloseHandle(AsyncHnd.u.hEvent);
}
else {
dwErr = GetLastError();
DebugMsg((DM_VERBOSE, TEXT("ReportError: create event failed error %d"), dwErr));
}
}
if (dwErr != ERROR_SUCCESS) {
DebugMsg((DM_WARNING, TEXT("ReportError: fail to show message error %d"), GetLastError()));
}
ReleaseInterface(&hIfProfileDialog); // Release the binding handle
}
DeleteSidString(szSidUser);
}
else {
DebugMsg((DM_WARNING, TEXT("ReportError: Unable to get SID string from token.")));
}
if (!lpRPCEndPoint) {
//
// This can happen in two case :
// 1. We are in console winlogon process.
// 2. ReportError get called from some public api which we expose.
//
ErrorDialogEx(dwDlgTimeOut, lpErrorMsg);
}
}
}
//
// Report the event to the eventlog
//
ev.Report();
if (lpErrorMsg)
LocalFree (lpErrorMsg);
if (bImpersonated)
RevertToUser(&hOldToken);
return 0;
}
//*************************************************************
//
// ErrorDialogEx()
//
// Purpose: Call Dialog box procedure for displaying error message
//
// Parameters: dwTimeOut - Timeout in secs
// lpErrMsg - Error Message
//
// Return: None
//
// Comments:
//
// History: Date Author Comment
// 10/27/00 santanuc Created
//
//*************************************************************
void ErrorDialogEx(DWORD dwTimeOut, LPTSTR lpErrMsg)
{
ERRORSTRUCT es;
es.dwTimeOut = dwTimeOut;
es.lpErrorText = lpErrMsg;
DebugMsg((DM_VERBOSE, TEXT("ErrorDialogEx: Calling DialogBoxParam")));
DialogBoxParam (g_hDllInstance, MAKEINTRESOURCE(IDD_ERROR),
NULL, ErrorDlgProc, (LPARAM)&es);
}
//*************************************************************
//
// ErrorDlgProc()
//
// Purpose: Dialog box procedure for the error dialog
//
// Parameters: hDlg - handle to the dialog box
// uMsg - window message
// wParam - wParam
// lParam - lParam
//
// Return: TRUE if message was processed
// FALSE if not
//
// Comments:
//
// History: Date Author Comment
// 3/22/96 ericflo Created
//
//*************************************************************
INT_PTR APIENTRY ErrorDlgProc (HWND hDlg, UINT uMsg,
WPARAM wParam, LPARAM lParam)
{
TCHAR szBuffer[10];
static DWORD dwErrorTime;
switch (uMsg) {
case WM_INITDIALOG:
{
DebugMsg((DM_VERBOSE, TEXT("ErrorDlgProc:: DialogBoxParam")));
LPERRORSTRUCT lpES = (LPERRORSTRUCT) lParam;
SetForegroundWindow(hDlg);
CenterWindow (hDlg);
SetDlgItemText (hDlg, IDC_ERRORTEXT, lpES->lpErrorText);
dwErrorTime = lpES->dwTimeOut;
if (dwErrorTime > 0) {
StringCchPrintf (szBuffer, ARRAYSIZE(szBuffer), TEXT("%d"), dwErrorTime);
SetDlgItemText (hDlg, IDC_TIMEOUT, szBuffer);
SetTimer (hDlg, 1, 1000, NULL);
}
return TRUE;
}
case WM_TIMER:
if (dwErrorTime >= 1) {
dwErrorTime--;
StringCchPrintf (szBuffer, ARRAYSIZE(szBuffer), TEXT("%d"), dwErrorTime);
SetDlgItemText (hDlg, IDC_TIMEOUT, szBuffer);
} else {
//
// Time's up. Dismiss the dialog.
//
PostMessage (hDlg, WM_COMMAND, IDOK, 0);
}
break;
case WM_COMMAND:
switch (LOWORD(wParam)) {
case IDOK:
if (HIWORD(wParam) == BN_KILLFOCUS) {
KillTimer (hDlg, 1);
ShowWindow(GetDlgItem(hDlg, IDC_TIMEOUT), SW_HIDE);
ShowWindow(GetDlgItem(hDlg, IDC_TIMETITLE), SW_HIDE);
} else if (HIWORD(wParam) == BN_CLICKED) {
KillTimer (hDlg, 1);
EndDialog(hDlg, TRUE);
}
break;
case IDCANCEL:
KillTimer (hDlg, 1);
EndDialog(hDlg, FALSE);
break;
default:
break;
}
break;
}
return FALSE;
}
//*************************************************************
//
// GetShareName()
//
// Purpose: Returns the complete share name by unmapping the
// drive letter in lpDir
//
// Parameters: lpDir - Dir name to be unmapped
// lppShare - Expanded dir name with share
//
// Return: TRUE : if success
// FALSE : otherwise
//
// Comments:
//
// History: Date Author Comment
// 10/29/00 santanuc Created
//
//*************************************************************
BOOL GetShareName(LPTSTR lpDir, LPTSTR *lppShare)
{
PFNWNETGETCONNECTION pfnWNetGetConnection;
HMODULE hWNetLib = NULL;
TCHAR szDrive[3];
DWORD dwSize = 0, dwErr;
BOOL bRetVal = FALSE;
DWORD cchShare;
if (lpDir[1] != TEXT(':')) {
goto Exit;
}
if (!(hWNetLib = LoadLibrary(TEXT("mpr.dll")))) {
DebugMsg((DM_WARNING, TEXT("GetShareName: LoadLibrary failed with %d"), GetLastError()));
goto Exit;
}
pfnWNetGetConnection = (PFNWNETGETCONNECTION)GetProcAddress(hWNetLib, "WNetGetConnectionW");
if (!pfnWNetGetConnection) {
DebugMsg((DM_WARNING, TEXT("GetShareName: GetProcAddress failed with %d"), GetLastError()));
goto Exit;
}
szDrive[0] = lpDir[0];
szDrive[1] = TEXT(':');
szDrive[2] = TEXT('\0');
// First get the size required to hold the share name
dwErr = (*pfnWNetGetConnection)(szDrive, NULL, &dwSize);
if (dwErr == ERROR_MORE_DATA) {
dwSize += lstrlen(lpDir); // Add the size for rest of the path name
cchShare = dwSize;
*lppShare = (LPTSTR)LocalAlloc(LPTR, cchShare * sizeof(TCHAR));
if (!*lppShare) {
DebugMsg((DM_WARNING, TEXT("GetShareName: Failed to alloc memory with %d"), GetLastError()));
goto Exit;
}
dwErr = (*pfnWNetGetConnection)(szDrive, *lppShare, &dwSize);
if (dwErr == NO_ERROR) {
StringCchCat(*lppShare, cchShare, lpDir+2); // Add the rest of the path name
bRetVal = TRUE;
goto Exit;
}
else {
DebugMsg((DM_WARNING, TEXT("GetShareName: WNetGetConnection returned error %d"), dwErr));
}
LocalFree(*lppShare);
}
else {
DebugMsg((DM_VERBOSE, TEXT("GetShareName: WNetGetConnection initially returned error %d"), dwErr));
}
Exit:
if (hWNetLib) {
FreeLibrary(hWNetLib);
}
return bRetVal;
}