BOOL
IrdaStartDocPort(
_Inout_ PLCMINIPORT pIniPort
)
{
HANDLE hToken = NULL;
DWORD dwLastError = ERROR_SUCCESS;
//
// If remote guest is the first user to print, then the connect fails.
// Thus we need to revert to system context before calling IrdaConnect
//
hToken = RevertToPrinterSelf();
if (!hToken) {
return FALSE;
}
dwLastError = IrdaConnect(pIniPort);
ImpersonatePrinterClient(hToken);
if ( dwLastError ) {
SetLastError(dwLastError);
return FALSE;
} else
return TRUE;
}
/**
* @name _HandleSetDefaultCommConfig
*
* Sets the default configuration of a legacy port. Checks for granted SERVER_ACCESS_ADMINISTER access.
* You have to supply the port name (with colon!) in XcvOpenPort.
* The opposite function is _HandleGetDefaultCommConfig.
*
* @param pXcv
* Pointer to the LOCALMON_XCV structure of the currently opened Xcv port.
*
* @param pInputData
* Pointer to the COMMCONFIG structure that shall be passed to SetDefaultCommConfigW.
*
* @param pcbOutputNeeded
* Pointer to a DWORD that will be zeroed on return.
*
* @return
* An error code indicating success or failure.
*/
static DWORD
_HandleSetDefaultCommConfig(PLOCALMON_XCV pXcv, PBYTE pInputData, PDWORD pcbOutputNeeded)
{
DWORD dwErrorCode;
HANDLE hToken = NULL;
LPCOMMCONFIG pCommConfig;
PWSTR pwszPortNameWithoutColon = NULL;
// Sanity checks
// pwszObject needs to be at least 2 characters long to be a port name with a trailing colon.
if (!pXcv || !pXcv->pwszObject || !pXcv->pwszObject[0] || !pXcv->pwszObject[1] || !pInputData || !pcbOutputNeeded)
{
dwErrorCode = ERROR_INVALID_PARAMETER;
goto Cleanup;
}
*pcbOutputNeeded = 0;
// This action can only happen at SERVER_ACCESS_ADMINISTER access level.
if (!(pXcv->GrantedAccess & SERVER_ACCESS_ADMINISTER))
{
dwErrorCode = ERROR_ACCESS_DENIED;
goto Cleanup;
}
// SetDefaultCommConfigW needs the port name without colon.
dwErrorCode = GetPortNameWithoutColon(pXcv->pwszObject, &pwszPortNameWithoutColon);
if (dwErrorCode != ERROR_SUCCESS)
goto Cleanup;
// Switch to the SYSTEM context for setting the port configuration.
hToken = RevertToPrinterSelf();
if (!hToken)
{
dwErrorCode = GetLastError();
ERR("RevertToPrinterSelf failed with error %lu!\n", dwErrorCode);
goto Cleanup;
}
// Finally pass the parameters to SetDefaultCommConfigW.
pCommConfig = (LPCOMMCONFIG)pInputData;
if (!SetDefaultCommConfigW(pwszPortNameWithoutColon, pCommConfig, pCommConfig->dwSize))
{
dwErrorCode = GetLastError();
ERR("SetDefaultCommConfigW failed with error %lu!\n", dwErrorCode);
goto Cleanup;
}
dwErrorCode = ERROR_SUCCESS;
Cleanup:
if (hToken)
ImpersonatePrinterClient(hToken);
if (pwszPortNameWithoutColon)
DllFreeSplMem(pwszPortNameWithoutColon);
return dwErrorCode;
}
/**
* @name _HandleConfigureLPTPortCommandOK
*
* Writes the value for "TransmissionRetryTimeout" to the registry. Checks for granted SERVER_ACCESS_ADMINISTER access.
* Actually the opposite of _HandleGetTransmissionRetryTimeout, but name kept for compatibility.
*
* @param pXcv
* Pointer to the LOCALMON_XCV structure of the currently opened Xcv port.
*
* @param pInputData
* Pointer to a Unicode string containing the value to be written to the registry.
*
* @param pcbOutputNeeded
* Pointer to a DWORD that will be zeroed on return.
*
* @return
* An error code indicating success or failure.
*/
static DWORD
_HandleConfigureLPTPortCommandOK(PLOCALMON_XCV pXcv, PBYTE pInputData, PDWORD pcbOutputNeeded)
{
DWORD cbBuffer;
DWORD dwErrorCode;
HKEY hKey = NULL;
HKEY hToken = NULL;
// Sanity checks
if (!pXcv || !pInputData || !pcbOutputNeeded)
{
dwErrorCode = ERROR_INVALID_PARAMETER;
goto Cleanup;
}
*pcbOutputNeeded = 0;
// This action can only happen at SERVER_ACCESS_ADMINISTER access level.
if (!(pXcv->GrantedAccess & SERVER_ACCESS_ADMINISTER))
{
dwErrorCode = ERROR_ACCESS_DENIED;
goto Cleanup;
}
// Switch to the SYSTEM context for modifying the registry.
hToken = RevertToPrinterSelf();
if (!hToken)
{
dwErrorCode = GetLastError();
ERR("RevertToPrinterSelf failed with error %lu!\n", dwErrorCode);
goto Cleanup;
}
// Open the key where our value is stored.
dwErrorCode = (DWORD)RegOpenKeyExW(HKEY_LOCAL_MACHINE, L"SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Windows", 0, KEY_SET_VALUE, &hKey);
if (dwErrorCode != ERROR_SUCCESS)
{
ERR("RegOpenKeyExW failed with status %lu!\n", dwErrorCode);
goto Cleanup;
}
// We don't use cbInputData here, because the buffer pInputData could be bigger than the data it contains.
cbBuffer = (wcslen((PWSTR)pInputData) + 1) * sizeof(WCHAR);
// Write the value to the registry.
dwErrorCode = (DWORD)RegSetValueExW(hKey, L"TransmissionRetryTimeout", 0, REG_SZ, pInputData, cbBuffer);
if (dwErrorCode != ERROR_SUCCESS)
{
ERR("RegSetValueExW failed with status %lu!\n", dwErrorCode);
goto Cleanup;
}
Cleanup:
if (hKey)
RegCloseKey(hKey);
if (hToken)
ImpersonatePrinterClient(hToken);
return dwErrorCode;
}
DWORD
CheckPrinterJobToken(
LPCWSTR string,
LPCWSTR pSecondPart,
PDWORD pTypeofHandle,
PINIPRINTER* ppIniPrinter,
PINIJOB* ppIniJob,
PHANDLE phReadFile,
const PINISPOOLER pIniSpooler
)
{
HANDLE hImpersonationToken;
DWORD Position;
DWORD JobId;
PINIPRINTER pIniPrinter;
PINIJOB pIniJob, pCurrentIniJob;
if( wcsncmp( pSecondPart, L"Job ", 4 ) != STRINGS_ARE_EQUAL ||
!( pIniPrinter = FindPrinter( string ))){
return ROUTER_UNKNOWN;
}
//
// Get the Job ID ",Job xxxx"
//
pSecondPart += 4;
JobId = Myatol( (LPWSTR)pSecondPart );
pIniJob = FindJob( pIniPrinter, JobId, &Position );
if( pIniJob == NULL ) {
DBGMSG( DBG_WARN, ("OpenPrinter failed to find Job %d\n", JobId ));
return ROUTER_UNKNOWN;
}
DBGMSG( DBG_TRACE, ("OpenPrinter: pIniJob->cRef = %d\n", pIniJob->cRef));
if( pIniJob->Status & JOB_DIRECT ) {
SplInSem();
INCJOBREF( pIniJob );
*pTypeofHandle |= PRINTER_HANDLE_JOB | PRINTER_HANDLE_DIRECT;
goto Success;
}
//
// If this job is assigned to a port
// Then pick up the correct chained jobid file instead of the master
// JobId.
//
if ( pIniJob->pCurrentIniJob != NULL ) {
SPLASSERT( pIniJob->pCurrentIniJob->signature == IJ_SIGNATURE );
DBGMSG( DBG_TRACE,("CheckPrinterJobToken pIniJob %x JobId %d using chain JobId %d\n",
pIniJob, pIniJob->JobId, pIniJob->pCurrentIniJob->JobId ));
pCurrentIniJob = pIniJob->pCurrentIniJob;
SPLASSERT( pCurrentIniJob->signature == IJ_SIGNATURE );
} else {
pCurrentIniJob = pIniJob;
}
GetFullNameFromId( pCurrentIniJob->pIniPrinter,
pCurrentIniJob->JobId,
TRUE,
(LPWSTR)string,
FALSE );
// !! BUGBUG !!
// Even a user without previledge can open a ", JOB #"
// if he is physically running on the machine.
hImpersonationToken = RevertToPrinterSelf();
*phReadFile = CreateFile( string,
GENERIC_READ,
FILE_SHARE_READ |
FILE_SHARE_WRITE,
NULL,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL |
FILE_FLAG_SEQUENTIAL_SCAN,
NULL );
ImpersonatePrinterClient( hImpersonationToken );
if( *phReadFile != INVALID_HANDLE_VALUE ) {
DBGMSG( DBG_TRACE, ("OpenPrinter JobID %d pIniJob %x CreateFile( %ws ), hReadFile %x success", JobId, pIniJob, string, *phReadFile ));
SplInSem();
INCJOBREF( pIniJob );
*pTypeofHandle |= PRINTER_HANDLE_JOB;
goto Success;
}
DBGMSG( DBG_WARNING, ("LocalOpenPrinter CreateFile(%ws) GENERIC_READ failed : %d\n", string, GetLastError()));
SPLASSERT( GetLastError( ));
return ROUTER_STOP_ROUTING;
Success:
*ppIniJob = pIniJob;
*ppIniPrinter = pIniPrinter;
return ROUTER_SUCCESS;
}