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windows-nt/Source/XPSP1/NT/printscan/print/spooler/inetpp2/server/ppinfo.cxx

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2020-09-26 03:20:57 -05:00
/*****************************************************************************\
* MODULE: ppinfo.c
*
* This module contains the print-information routines.
*
*
* Copyright (C) 1996-1997 Microsoft Corporation
* Copyright (C) 1996-1997 Hewlett Packard
*
* History:
* 09-Jun-1993 JonMarb Created
* 07-Oct-1996 HWP-Guys Initiated port from win95 to winNT
*
\*****************************************************************************/
#include "precomp.h"
#include "priv.h"
/*****************************************************************************\
* ppprn_IppGetRsp (Local Callback Routine)
*
* Retrieves a GetPrinter response from the IPP server
*
\*****************************************************************************/
BOOL CALLBACK ppinfo_IppGetRsp(
CAnyConnection *pConnection,
HINTERNET hReq,
PCINETMONPORT pIniPort,
LPARAM lParam)
{
HANDLE hIpp;
DWORD dwRet;
DWORD cbRd;
LPBYTE lpDta;
DWORD cbDta;
LPIPPRET_PRN lpRsp;
DWORD cbRsp;
BYTE bBuf[MAX_IPP_BUFFER];
BOOL bRet = FALSE;
if (hIpp = WebIppRcvOpen(IPP_RET_GETPRN)) {
while (TRUE) {
cbRd = 0;
if (pIniPort->ReadFile (pConnection, hReq, (LPVOID)bBuf, sizeof(bBuf), &cbRd) && cbRd) {
dwRet = WebIppRcvData(hIpp, bBuf, cbRd, (LPBYTE*)&lpRsp, &cbRsp, &lpDta, &cbDta);
switch (dwRet) {
case WEBIPP_OK:
if (!lpRsp) {
SetLastError (ERROR_INVALID_DATA);
}
else if ((bRet = lpRsp->bRet) == FALSE)
SetLastError(lpRsp->dwLastError);
else {
pIniPort->SetPowerUpTime (lpRsp->pi.ipp.dwPowerUpTime);
((LPPRINTER_INFO_2)lParam)->Status = lpRsp->pi.pi2.Status;
((LPPRINTER_INFO_2)lParam)->cJobs = lpRsp->pi.pi2.cJobs;
((LPPRINTER_INFO_2)lParam)->pPrinterName = memAllocStr(lpRsp->pi.pi2.pPrinterName);
((LPPRINTER_INFO_2)lParam)->pDriverName = memAllocStr(lpRsp->pi.pi2.pDriverName);
}
WebIppFreeMem(lpRsp);
goto EndGetRsp;
case WEBIPP_MOREDATA:
// Need to do another read to fullfill our header-response.
//
break;
default:
DBG_MSG(DBG_LEV_ERROR, (TEXT("ppinfo_IppGetRsp - Err : Receive Data Error (dwRet=%d, LE=%d)"),
dwRet, WebIppGetError(hIpp)));
SetLastError(ERROR_INVALID_DATA);
goto EndGetRsp;
}
} else {
goto EndGetRsp;
}
}
EndGetRsp:
WebIppRcvClose(hIpp);
} else {
SetLastError(ERROR_OUTOFMEMORY);
}
return bRet;
}
/*****************************************************************************\
* ppinfo_Get (Local Routine)
*
* Gets printer info from server.
*
\*****************************************************************************/
BOOL ppinfo_Get(
PCINETMONPORT pIniPort,
LPPRINTER_INFO_2 ppi2)
{
PIPPREQ_GETPRN pgp;
REQINFO ri;
DWORD dwRet;
LPBYTE lpIpp;
DWORD cbIpp;
LPCTSTR lpszUri;
BOOL bRet = FALSE;
lpszUri = pIniPort->GetPortName();
// Create our ipp-reqest-structure.
//
if (pgp = WebIppCreateGetPrnReq(0, lpszUri)) {
// Convert the reqest to IPP, and perform the
// post.
//
ZeroMemory(&ri, sizeof(REQINFO));
ri.cpReq = CP_UTF8;
ri.idReq = IPP_REQ_GETPRN;
ri.fReq[0] = IPP_REQALL;
ri.fReq[1] = IPP_REQALL;
dwRet = WebIppSndData(IPP_REQ_GETPRN,
&ri,
(LPBYTE)pgp,
pgp->cbSize,
&lpIpp,
&cbIpp);
// The request-structure has been converted to IPP format,
// so it is ready to go to the server.
//
if (dwRet == WEBIPP_OK) {
bRet = pIniPort->SendReq(lpIpp,
cbIpp,
ppinfo_IppGetRsp,
(LPARAM)ppi2,
TRUE);
WebIppFreeMem(lpIpp);
} else {
SetLastError(ERROR_OUTOFMEMORY);
}
WebIppFreeMem(pgp);
} else {
SetLastError(ERROR_OUTOFMEMORY);
}
return bRet;
}
/*****************************************************************************\
* _ppinfo_set_str (Local Routine)
*
* Copies strings into a Win32 format buffer -- a structure at the front of
* the buffer and strings packed into the end.
*
* On entry, *buf should point to the last available byte in the buffer.
*
\*****************************************************************************/
VOID _ppinfo_set_str(
LPTSTR *dest,
LPCTSTR src,
LPTSTR *buf)
{
if (src != NULL) {
// Place string at end of buffer. This performs pointer
// arithmatic, so the offsets are TCHAR in size.
//
(*buf) -= lstrlen(src);
DBG_ASSERT( ((DWORD_PTR)dest < (DWORD_PTR)*buf) ,
(TEXT("String fill overrun in _ppinfo_set_str"))
);
lstrcpy(*buf, src);
// Place string address in structure and save pointer to new
// last available byte.
//
*dest = *buf;
(*buf)--;
} else {
*dest = TEXT('\0');
}
}
/*****************************************************************************\
* _ppinfo_describe_provider (Local Routine)
*
* Fills a PRINTER_INFO_1 structure with information about the print provider.
* Returns TRUE if successful. Otherwise, it returns FALSE. Extended error
* information is available from GetLastError.
*
\*****************************************************************************/
BOOL _ppinfo_describe_provider(
LPPRINTER_INFO_1 pInfo,
DWORD cbSize,
LPDWORD pcbNeeded,
LPDWORD pcbReturned)
{
LPTSTR pszString;
// Calculate the space needed (in bytes) that is necessary to
// store the information for the print-processor.
//
*pcbNeeded = sizeof(PRINTER_INFO_1) +
utlStrSize(g_szDescription) +
utlStrSize(g_szProviderName) +
utlStrSize(g_szComment);
if (*pcbNeeded > cbSize) {
*pcbReturned = 0;
DBG_MSG(DBG_LEV_WARN, (TEXT("Warn: _describe_provider: Not enough memory")));
SetLastError(ERROR_INSUFFICIENT_BUFFER);
return FALSE;
}
// Initialize the fields which do not need to copy strings.
//
pInfo->Flags = (PRINTER_ENUM_ICON1 | PRINTER_ENUM_CONTAINER);
//
// Hide this provider from the UI, there is nothing underneath to enumerate.
//
#if WINNT32
pInfo->Flags |= PRINTER_ENUM_HIDE;
#endif
// Set the string information. First set the (pszString) pointer
// to the first location at the end of the buffer which will store
// the string.
//
pszString = ENDOFBUFFER(pInfo, cbSize);
_ppinfo_set_str(&pInfo->pDescription, g_szDescription , &pszString);
_ppinfo_set_str(&pInfo->pName , g_szProviderName, &pszString);
_ppinfo_set_str(&pInfo->pComment , g_szComment , &pszString);
// Return the number of structures copied.
//
*pcbReturned = 1;
return TRUE;
}
/*****************************************************************************\
* _ppinfo_net_get_info (Local Routine)
*
* Fills a supplied PRINTER_INFO_2 structure with all the information
* we can dig up on the specified IPP1 print server.
*
* Takes a pointer to PPRINTER_INFO_2 which is allocated to be the correct size
*
* Returns TRUE if successful, FALSE if otherwise.
*
\*****************************************************************************/
BOOL _ppinfo_net_get_info(
IN PCINETMONPORT pIniPort,
OUT PPRINTER_INFO_2 *ppInfo,
OUT LPDWORD lpBufAllocated,
IN ALLOCATORFN pAllocator)
{
PRINTER_INFO_2 pi2;
PPRINTER_INFO_2 pInfo;
LPTSTR pszString;
LPCTSTR pszPortName;
DWORD dwAllocSize;
BOOL bRet = FALSE;
// Make a server-call to get the printer-information.
//
DBG_ASSERT( ppInfo, (TEXT("_ppinfo_net_get_info passed in NULL LPPI2 *")) );
DBG_ASSERT( pAllocator, (TEXT("_ppinfo_net_get_info passed in NULL Allocator")) );
DBG_ASSERT( lpBufAllocated, (TEXT("_ppinfo_net_get_info passed in NULL buffer allocated return size")) );
*ppInfo = NULL; // NULL out ppInfo, just in case
*lpBufAllocated = 0; // Set allocated size to zero
ZeroMemory(&pi2, sizeof(PRINTER_INFO_2));
if (!ppinfo_Get(pIniPort, &pi2))
goto BailOut;
pszPortName = pIniPort->GetPortName();
dwAllocSize = ( ( pi2.pPrinterName ? lstrlen( pi2.pPrinterName) + 1 : 0) +
( pszPortName ? lstrlen( pszPortName ) + 1 : 0) +
( pi2.pDriverName ? lstrlen( pi2.pDriverName ) + 1 : 0) +
7 * 1 ) * sizeof(TCHAR) + sizeof(PRINTER_INFO_2);
pInfo = (PPRINTER_INFO_2)pAllocator( dwAllocSize );
if (NULL == pInfo)
goto Cleanup;
pszString = ENDOFBUFFER( pInfo, dwAllocSize );
// Set non-string entries.
//
pInfo->cJobs = pi2.cJobs;
pInfo->Status = pi2.Status;
pInfo->pDevMode = NULL;
pInfo->pSecurityDescriptor = NULL;
#if 0
pInfo->Attributes = PRINTER_ATTRIBUTE_SHARED;
#else
pInfo->Attributes = PRINTER_ATTRIBUTE_NETWORK;
#endif
pInfo->Priority = pi2.Priority;
pInfo->StartTime = pi2.StartTime;
pInfo->UntilTime = pi2.UntilTime;
pInfo->AveragePPM = pi2.AveragePPM;
// Set any remaining fields that we can't fill to reasonable values.
//
_ppinfo_set_str(&pInfo->pPrinterName , pi2.pPrinterName , &pszString);
_ppinfo_set_str(&pInfo->pShareName , g_szEmptyString , &pszString);
_ppinfo_set_str(&pInfo->pPortName , pszPortName , &pszString);
_ppinfo_set_str(&pInfo->pDriverName , pi2.pDriverName , &pszString);
_ppinfo_set_str(&pInfo->pComment , g_szEmptyString , &pszString);
_ppinfo_set_str(&pInfo->pLocation , g_szEmptyString , &pszString);
_ppinfo_set_str(&pInfo->pSepFile , g_szEmptyString , &pszString);
_ppinfo_set_str(&pInfo->pPrintProcessor, g_szEmptyString , &pszString);
_ppinfo_set_str(&pInfo->pDatatype , g_szEmptyString , &pszString);
_ppinfo_set_str(&pInfo->pParameters , g_szEmptyString , &pszString);
*lpBufAllocated = dwAllocSize; // Set the size to what we have allocated
*ppInfo = pInfo; // Return the allocated structure
// Since we've allocated our strings in ppinfo_get, we will need
// to explicitly free them.
//
bRet = TRUE;
Cleanup:
if (pi2.pPrinterName) memFreeStr(pi2.pPrinterName);
if (pi2.pDriverName) memFreeStr(pi2.pDriverName);
BailOut:
return bRet;
}
/*****************************************************************************\
* _ppinfo_calc_level1 (Local Routine)
*
* Calculates the amount of buffer space needed to store a single level 1
* GetPrinter() result buffer.
*
\*****************************************************************************/
DWORD _ppinfo_calc_level1(
PPRINTER_INFO_2 pSrcInfo)
{
DWORD cbSize;
//
// Figure out how many bytes of buffer space we're going to need.
//
cbSize = sizeof(PRINTER_INFO_1) +
utlStrSize(g_szEmptyString) + // description
utlStrSize(pSrcInfo->pPrinterName) + // name
utlStrSize(pSrcInfo->pComment); // comment
return cbSize;
}
/*****************************************************************************\
* _ppinfo_calc_level2 (Local Routine)
*
* Calculates the amount of buffer space needed to
* store a single level 2 GetPrinter() result buffer.
*
\*****************************************************************************/
DWORD _ppinfo_calc_level2(
LPCTSTR pszServerName,
PPRINTER_INFO_2 pSrcInfo)
{
DWORD cbSize;
LPDEVMODE pDevmode;
//
// Figure out how many bytes of buffer space we're going to need.
//
cbSize = sizeof(PRINTER_INFO_2) +
utlStrSize(pszServerName) + // Server Name
utlStrSize(pSrcInfo->pPrinterName) + // Printer Name
utlStrSize(pSrcInfo->pShareName) + // Share Name
utlStrSize(pSrcInfo->pPortName) + // Port Name
utlStrSize(pSrcInfo->pDriverName) + // Driver Name
utlStrSize(pSrcInfo->pComment) + // Comment
utlStrSize(pSrcInfo->pLocation) + // Location
utlStrSize(pSrcInfo->pSepFile) + // Separator file
utlStrSize(pSrcInfo->pPrintProcessor) + // Print processor
utlStrSize(pSrcInfo->pDatatype) + // Data type
utlStrSize(pSrcInfo->pParameters); // Parameters
if (pSrcInfo->pDevMode != NULL) {
pDevmode = pSrcInfo->pDevMode;
cbSize += pDevmode->dmSize + pDevmode->dmDriverExtra;
}
return cbSize;
}
#if WINNT32
/*****************************************************************************\
* _ppinfo_calc_level4 (Local Routine)
*
* Calculates the amount of buffer space needed to
* store a single level 4 GetPrinter() result buffer.
*
\*****************************************************************************/
DWORD _ppinfo_calc_level4(
PPRINTER_INFO_2 pSrcInfo)
{
DWORD cbSize;
//
// Figure out how many bytes of buffer space we're going to need.
//
cbSize = sizeof(PRINTER_INFO_4) +
utlStrSize(pSrcInfo->pPrinterName) + // Printer Name
utlStrSize(pSrcInfo->pServerName);
return cbSize;
}
#endif
/*****************************************************************************\
* _ppinfo_calc_level2 (Local Routine)
*
* Calculates the amount of buffer space needed to
* store a single level 5 GetPrinter() result buffer.
*
\*****************************************************************************/
DWORD _ppinfo_calc_level5(
PPRINTER_INFO_2 pSrcInfo)
{
DWORD cbSize;
//
// Figure out how many bytes of buffer space we're going to need.
//
cbSize = sizeof(PRINTER_INFO_5) +
utlStrSize(pSrcInfo->pPrinterName) + // Printer Name
utlStrSize(pSrcInfo->pPortName);
return cbSize;
}
/*****************************************************************************\
* _ppinfo_build_level1 (Local Routine)
*
* Given a pointer to a source PRINTER_INFO_2 structure, a
* destination PRINTER_INFO_1 structure and a pointer to the
* start of string storage space, fills the PRINTER_INFO_1 structure.
*
* Called by GetPrinter and EnumPrinters, level 1. Returns an
* LPSTR pointer to the last available data byte remaining in the
* buffer.
*
\*****************************************************************************/
LPTSTR _ppinfo_build_level1(
PPRINTER_INFO_2 pSrcInfo,
PPRINTER_INFO_1 pDstInfo,
LPTSTR pszString)
{
// Flags.
//
pDstInfo->Flags = PRINTER_ENUM_CONTAINER;
#if WINNT32
pDstInfo->Flags |= PRINTER_ENUM_HIDE;
#endif
// Description
//
// CODEWORK - The Win32 structure has a field for "description" that has
// no equivalent in the network printer info structure. What do we
// really want here? For now, I'm copying in an empty string as a
// placeholder.
//
_ppinfo_set_str(&pDstInfo->pDescription, g_szEmptyString , &pszString);
_ppinfo_set_str(&pDstInfo->pName , pSrcInfo->pPrinterName, &pszString);
_ppinfo_set_str(&pDstInfo->pComment , pSrcInfo->pComment , &pszString);
return pszString;
}
/*****************************************************************************\
* _ppinfo_build_level2 (Local Routine)
*
* Given a server name, a pointer to a source PRINTER_INFO_2
* structure, a destination PRINTER_INFO_2 structure and a pointer to
* the start of string storage space, fills the PRINTER_INFO_2 structure.
*
* Called by GetPrinter and EnumPrinters, level 2. Returns an
* LPTSTR pointer to the last available data char in the data buffer.
*
\*****************************************************************************/
LPTSTR _ppinfo_build_level2(
LPCTSTR pszServerName,
PPRINTER_INFO_2 pSrcInfo,
PPRINTER_INFO_2 pDstInfo,
LPTSTR pszString)
{
// Set non-string entries.
//
pDstInfo->pSecurityDescriptor = NULL;
pDstInfo->Attributes = pSrcInfo->Attributes;
pDstInfo->Priority = pSrcInfo->Priority;
pDstInfo->DefaultPriority = pSrcInfo->Priority;
pDstInfo->StartTime = pSrcInfo->StartTime;
pDstInfo->UntilTime = pSrcInfo->UntilTime;
pDstInfo->Status = pSrcInfo->Status;
pDstInfo->cJobs = pSrcInfo->cJobs;
pDstInfo->AveragePPM = pSrcInfo->AveragePPM;
// Copy the required data to the Win 32 PRINTER_INFO_2 structure.
//
// SPECWORK - several of these fields are filled with "" placeholders.
// We probably need to put real information in some of them.
// The current inetpp protocol does not supply this information to us.
//
_ppinfo_set_str(&pDstInfo->pServerName , pszServerName , &pszString);
_ppinfo_set_str(&pDstInfo->pPrinterName , pSrcInfo->pPrinterName , &pszString);
_ppinfo_set_str(&pDstInfo->pShareName , pSrcInfo->pShareName , &pszString);
_ppinfo_set_str(&pDstInfo->pPortName , pSrcInfo->pPortName , &pszString);
_ppinfo_set_str(&pDstInfo->pDriverName , pSrcInfo->pDriverName , &pszString);
_ppinfo_set_str(&pDstInfo->pComment , pSrcInfo->pComment , &pszString);
_ppinfo_set_str(&pDstInfo->pLocation , pSrcInfo->pLocation , &pszString);
_ppinfo_set_str(&pDstInfo->pSepFile , pSrcInfo->pSepFile , &pszString);
_ppinfo_set_str(&pDstInfo->pPrintProcessor, pSrcInfo->pPrintProcessor, &pszString);
_ppinfo_set_str(&pDstInfo->pDatatype , pSrcInfo->pDatatype , &pszString);
_ppinfo_set_str(&pDstInfo->pParameters , pSrcInfo->pParameters , &pszString);
// If a devmode exist, then it will need to be copied as well.
//
if (pSrcInfo->pDevMode != NULL) {
memCopy((LPSTR *)&pDstInfo->pDevMode,
(LPSTR)pSrcInfo->pDevMode,
pSrcInfo->pDevMode->dmSize + pSrcInfo->pDevMode->dmDriverExtra,
(LPSTR *)&pszString);
} else {
pDstInfo->pDevMode = NULL;
}
return pszString;
}
#if WINNT32
/*****************************************************************************\
* _ppinfo_build_level4 (Local Routine)
*
* Given a server name, a pointer to a source PRINTER_INFO_2
* structure, a destination PRINTER_INFO_5 structure and a pointer to
* the start of string storage space, fills the PRINTER_INFO_4 structure.
*
* Called by GetPrinter and EnumPrinters, level 2. Returns an
* LPTSTR pointer to the last available data char in the data buffer.
*
\*****************************************************************************/
LPTSTR _ppinfo_build_level4(
PPRINTER_INFO_2 pSrcInfo,
PPRINTER_INFO_4 pDstInfo,
LPTSTR pszString)
{
// Set non-string entries.
//
pDstInfo->Attributes = pSrcInfo->Attributes;
// Copy the required data to the Win 32 PRINTER_INFO_4 structure.
//
_ppinfo_set_str(&pDstInfo->pPrinterName, pSrcInfo->pPrinterName, &pszString);
_ppinfo_set_str(&pDstInfo->pServerName , pSrcInfo->pServerName , &pszString);
return pszString;
}
#endif
/*****************************************************************************\
* _ppinfo_build_level5 (Local Routine)
*
* Given a server name, a pointer to a source PRINTER_INFO_2
* structure, a destination PRINTER_INFO_5 structure and a pointer to
* the start of string storage space, fills the PRINTER_INFO_5 structure.
*
* Called by GetPrinter and EnumPrinters, level 2. Returns an
* LPTSTR pointer to the last available data char in the data buffer.
*
\*****************************************************************************/
LPTSTR _ppinfo_build_level5(
PPRINTER_INFO_2 pSrcInfo,
PPRINTER_INFO_5 pDstInfo,
LPTSTR pszString)
{
// Set non-string entries.
//
pDstInfo->Attributes = pSrcInfo->Attributes;
pDstInfo->DeviceNotSelectedTimeout = 0;
pDstInfo->TransmissionRetryTimeout = 0;
// Copy the required data to the Win 32 PRINTER_INFO_5 structure.
//
_ppinfo_set_str(&pDstInfo->pPrinterName, pSrcInfo->pPrinterName, &pszString);
_ppinfo_set_str(&pDstInfo->pPortName , pSrcInfo->pPortName , &pszString);
return pszString;
}
/*****************************************************************************\
* _ppinfo_get_level1 (Local Routine)
*
* Given pInfo, a block of information on a printer returned by a
* DosPrintQGetInfo call, fill a PRINTER_INFO_1 structure. Returns
* TRUE if successful, FALSE otherwise. Places the number of bytes
* of (lpbBuffer) used in the DWORD pointed to by (pcbNeeded).
*
\*****************************************************************************/
BOOL _ppinfo_get_level1(
PPRINTER_INFO_2 pSrcInfo,
LPBYTE lpbBuffer,
DWORD cbBuf,
LPDWORD pcbNeeded)
{
// Figure out how many bytes of buffer space we're going to need.
// Set error code and return failure if we don't have enough.
//
*pcbNeeded = _ppinfo_calc_level1(pSrcInfo);
if (*pcbNeeded > cbBuf) {
SetLastError(ERROR_INSUFFICIENT_BUFFER);
return FALSE;
}
// Copy the required data from the structure to the Win32
// structure.
//
_ppinfo_build_level1(pSrcInfo,
(PPRINTER_INFO_1)lpbBuffer,
ENDOFBUFFER(lpbBuffer, cbBuf));
return TRUE;
}
/*****************************************************************************\
* _ppinfo_get_level2 (Local Routine)
*
* Given pInfo, a block of information on a printer returned by a
* PrintQGetInfo call, fill a PRINTER_INFO_2 structure. Returns
* TRUE if successful, FALSE otherwise. Places the number of bytes of
* (lpbBuffer) used in the DWORD pointed to by (pcbNeeded).
*
\*****************************************************************************/
BOOL _ppinfo_get_level2(
PPRINTER_INFO_2 pSrcInfo,
LPBYTE lpbBuffer,
DWORD cbBuf,
LPDWORD pcbNeeded)
{
// Figure out how many bytes of buffer space we're going to need.
// Set error code and return failure if we don't have enough.
//
*pcbNeeded = _ppinfo_calc_level2(g_szEmptyString, pSrcInfo);
if (*pcbNeeded > cbBuf) {
SetLastError(ERROR_INSUFFICIENT_BUFFER);
return FALSE;
}
//
// Copy the required data to the Win 32 PRINTER_INFO_2 structure.
//
_ppinfo_build_level2(g_szEmptyString,
pSrcInfo,
(PPRINTER_INFO_2)lpbBuffer,
ENDOFBUFFER(lpbBuffer, cbBuf));
return TRUE;
}
#if WINNT32
/*****************************************************************************\
* _ppinfo_get_level4 (Local Routine)
*
* Given pInfo, a block of information on a printer returned by a
* PrintQGetInfo call, fill a PRINTER_INFO_4 structure. Returns
* TRUE if successful, FALSE otherwise. Places the number of bytes of
* (lpbBuffer) used in the DWORD pointed to by (pcbNeeded).
*
\*****************************************************************************/
BOOL _ppinfo_get_level4(
PPRINTER_INFO_2 pSrcInfo,
LPBYTE lpbBuffer,
DWORD cbBuf,
LPDWORD pcbNeeded)
{
// Figure out how many bytes of buffer space we're going to need.
// Set error code and return failure if we don't have enough.
//
*pcbNeeded = _ppinfo_calc_level4(pSrcInfo);
if (*pcbNeeded > cbBuf) {
SetLastError(ERROR_INSUFFICIENT_BUFFER);
return FALSE;
}
//
// Copy the required data to the Win 32 PRINTER_INFO_2 structure.
//
_ppinfo_build_level4(pSrcInfo,
(PPRINTER_INFO_4)lpbBuffer,
ENDOFBUFFER(lpbBuffer, cbBuf));
return TRUE;
}
#endif
/*****************************************************************************\
* _ppinfo_get_level5 (Local Routine)
*
* Given pInfo, a block of information on a printer returned by a
* PrintQGetInfo call, fill a PRINTER_INFO_5 structure. Returns
* TRUE if successful, FALSE otherwise. Places the number of bytes of
* (lpbBuffer) used in the DWORD pointed to by (pcbNeeded).
*
\*****************************************************************************/
BOOL _ppinfo_get_level5(
PPRINTER_INFO_2 pSrcInfo,
LPBYTE lpbBuffer,
DWORD cbBuf,
LPDWORD pcbNeeded)
{
// Figure out how many bytes of buffer space we're going to need.
// Set error code and return failure if we don't have enough.
//
*pcbNeeded = _ppinfo_calc_level5(pSrcInfo);
if (*pcbNeeded > cbBuf) {
SetLastError(ERROR_INSUFFICIENT_BUFFER);
return FALSE;
}
//
// Copy the required data to the Win 32 PRINTER_INFO_2 structure.
//
_ppinfo_build_level5(pSrcInfo,
(PPRINTER_INFO_5)lpbBuffer,
ENDOFBUFFER(lpbBuffer, cbBuf));
return TRUE;
}
#if WINNT32
/*****************************************************************************\
* _ppinfo_enumprinters_NT (Local Routine)
*
* This is the WinNT specific routine for EnumPrinters.
*
*
\*****************************************************************************/
BOOL _ppinfo_enumprinters(
DWORD dwType,
LPTSTR pszName,
DWORD dwLevel,
LPBYTE pPrinterEnum,
DWORD cbBuf,
LPDWORD pcbNeeded,
LPDWORD pcbReturned)
{
BOOL bReturn = FALSE;
// Throw back enumeration requests that we don't handle. The routing
// layer above us is specifically looking for the ERROR_INVALID_NAME.
//
if (dwType & PRINTER_ENUM_NOTFORUS)
goto enum_name_failure;
// If the request is one that we handle, but the caller didn't supply
// a printer name, we'll fail. Again, to keep things going as the
// router expects, we must return an ERROR_INVALID_NAME condition.
//
if (utlStrSize(pszName) == 0) {
if ((dwLevel == PRINT_LEVEL_1) && (dwType & PRINTER_ENUM_NAME)) {
return _ppinfo_describe_provider((LPPRINTER_INFO_1)pPrinterEnum,
cbBuf,
pcbNeeded,
pcbReturned);
} else {
goto enum_name_failure;
}
} else {
if ((dwLevel == PRINT_LEVEL_1) && (dwType & PRINTER_ENUM_NAME)) {
// In this case, the user has asked us to enumerate the
// printers in some domain. Until we decide what we really want
// to do. We'll simply return success with an empty enumeration.
//
goto enum_empty_success;
}
}
// Check Remote enumeration. Remote enumeration valid only if
// it's a level-1 printer.
//
if (dwType & PRINTER_ENUM_REMOTE) {
if (dwLevel != PRINT_LEVEL_1) {
goto enum_level_failure;
} else {
// In this case, the user has asked us to enumerate the
// printers in our domain. Until we decide what we really
// want to do, we'll simply return success with an empty
// enumeration.
//
goto enum_empty_success;
}
} else if (dwType & PRINTER_ENUM_CONNECTIONS) {
// In this case, the user has asked us to enumerate our favorite
// connections.
//
enum_empty_success:
*pcbNeeded = 0;
*pcbReturned = 0;
return TRUE;
}
DBG_MSG(DBG_LEV_INFO, (TEXT("Info: PPEnumPrinters: Type(%ld) Name(%s) Level(%ld)"), dwType, pszName, dwLevel));
// Check print-levels. These are error cases. We should
// really have performed the enumeration above.
//
switch (dwLevel) {
case PRINT_LEVEL_1:
case PRINT_LEVEL_2:
enum_name_failure:
DBG_MSG(DBG_LEV_WARN, (TEXT("Warn: PPEnumPrinters: Invalid Name")));
SetLastError(ERROR_INVALID_NAME);
break;
default:
enum_level_failure:
DBG_MSG(DBG_LEV_WARN, (TEXT("Warn: PPEnumPrinters: Invalid Level: %d"), dwLevel));
SetLastError(ERROR_INVALID_LEVEL);
break;
}
return FALSE;
}
#else
/*****************************************************************************\
* _ppinfo_enumprinters_95 (Local Routine)
*
* This is the Win95 specific routine for EnumPrinters.
*
*
\*****************************************************************************/
BOOL _ppinfo_enumprinters(
DWORD dwType,
LPTSTR pszName,
DWORD dwLevel,
LPBYTE pPrinterEnum,
DWORD cbBuf,
LPDWORD pcbNeeded,
LPDWORD pcbReturned)
{
BOOL bReturn = FALSE;
// Throw back enumeration requests that we don't handle. The routing
// layer above us is specifically looking for the ERROR_INVALID_NAME.
//
if (dwType & PRINTER_ENUM_NOTFORUS)
goto enum_name_failure;
// If the request is one that we handle, but the caller didn't supply
// a printer name, we'll fail. Again, to keep things going as the
// router expects, we must return an ERROR_INVALID_NAME condition.
//
if (utlStrSize(pszName) == 0) {
if ((dwLevel == PRINT_LEVEL_1) && (dwType & PRINTER_ENUM_NAME)) {
return _ppinfo_describe_provider((LPPRINTER_INFO_1)pPrinterEnum,
cbBuf,
pcbNeeded,
pcbReturned);
} else if (dwType & PRINTER_ENUM_REMOTE) {
// In this case, the user has asked us to enumerate the printers
// in our domain. Until we decide what we really want to do, we'll
// simply return success with an empty enumeration.
//
*pcbNeeded = 0;
*pcbReturned = 0;
return TRUE;
} else {
goto enum_name_failure;
}
}
DBG_MSG(DBG_LEV_INFO, (TEXT("Info: PPEnumPrinters: Type(%ld) Name(%s) Level(%ld)"), dwType, pszName, dwLevel));
// One last special case to test for -- did they ask us to
// enumerate ourselves (the provider) by name?
//
if ((dwLevel == PRINT_LEVEL_1) && (dwType & PRINTER_ENUM_NAME)) {
if (lstrcmp(pszName, g_szProviderName) == 0) {
return _ppinfo_describe_provider((LPPRINTER_INFO_1)pPrinterEnum,
cbBuf,
pcbNeeded,
pcbReturned);
}
}
// Check print-levels. These are error cases. We should
// really have performed the enumeration above.
//
switch (dwLevel) {
case PRINT_LEVEL_1:
case PRINT_LEVEL_2:
enum_name_failure:
DBG_MSG(DBG_LEV_WARN, (TEXT("Warn: PPEnumPrinters: Invalid Name")));
SetLastError(ERROR_INVALID_NAME);
break;
default:
DBG_MSG(DBG_LEV_WARN, (TEXT("Warn: PPEnumPrinters: Invalid Level: %d"), dwLevel));
SetLastError(ERROR_INVALID_LEVEL);
break;
}
return FALSE;
}
#endif
/*****************************************************************************\
* PPEnumPrinters
*
* Enumerates the available printers. Returns TRUE if successful. Otherwise,
* it returns FALSE.
*
* NOTE: Supports level 2 PRINTER_INFO to provide Point-and-Print
* functionality.
*
\*****************************************************************************/
BOOL PPEnumPrinters(
DWORD dwType,
LPTSTR pszName,
DWORD dwLevel,
LPBYTE pPrinterEnum,
DWORD cbBuf,
LPDWORD pcbNeeded,
LPDWORD pcbReturned)
{
DBG_MSG(DBG_LEV_CALLTREE, (TEXT("Call: PPEnumPrinters: Type(%d) Level(%d) Name(%s)"), dwType, dwLevel, (pszName ? pszName : TEXT("<NULL>"))));
return _ppinfo_enumprinters(dwType,
pszName,
dwLevel,
pPrinterEnum,
cbBuf,
pcbNeeded,
pcbReturned);
}
/*****************************************************************************\
* PPGetPrinter
*
* Retrieves information about a printer. Returns TRUE if successful, FALSE
* if an error occurred. NOTE: Supports level 2 Printer_INFO to provide
* Point and Print functionality for Chicago.
*
\*****************************************************************************/
BOOL PPGetPrinter(
HANDLE hPrinter,
DWORD dwLevel,
LPBYTE lpbPrinter,
DWORD cbBuf,
LPDWORD pcbNeeded)
{
PCINETMONPORT pIniPort;
PPRINTER_INFO_2 pSrcInfo;
DWORD cbSrcSize;
DWORD dwTemp;
BOOL bResult = FALSE;
DBG_MSG(DBG_LEV_CALLTREE, (TEXT("Call: PPGetPrinter: Printer(%08lX) Level(%ld)"), hPrinter, dwLevel));
if (pcbNeeded)
*pcbNeeded = 0;
semEnterCrit();
// Make sure we have a valid printer handle.
//
if (pIniPort = utlValidatePrinterHandle(hPrinter)) {
if (pIniPort->BeginReadGetPrinterCache (&pSrcInfo)) {
// Reformat the data according to the requested info Level.
//
switch (dwLevel) {
case PRINT_LEVEL_1:
bResult = _ppinfo_get_level1(pSrcInfo, lpbPrinter, cbBuf, pcbNeeded);
break;
case PRINT_LEVEL_2:
bResult = _ppinfo_get_level2(pSrcInfo, lpbPrinter, cbBuf, pcbNeeded);
break;
#if WINNT32
case PRINT_LEVEL_4:
bResult = _ppinfo_get_level4(pSrcInfo, lpbPrinter, cbBuf, pcbNeeded);
break;
#endif
case PRINT_LEVEL_5:
bResult = _ppinfo_get_level5(pSrcInfo, lpbPrinter, cbBuf, pcbNeeded);
break;
default:
DBG_MSG(DBG_LEV_WARN, (TEXT("Warn: PPGetPrinter: Invalid Level")));
SetLastError(ERROR_INVALID_LEVEL);
bResult = FALSE;
break;
}
}
pIniPort->EndReadGetPrinterCache ();
if (GetLastError() == ERROR_ACCESS_DENIED) {
pIniPort->InvalidateGetPrinterCache ();
}
}
if (GetLastError() == ERROR_INSUFFICIENT_BUFFER &&
pcbNeeded &&
*pcbNeeded == 0) {
// We can't set ERROR_INSUFFICIENT_BUFFER here since it was an internal error
// and we are not reporting a size
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
}
semLeaveCrit();
return bResult;
}
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