windows-nt/Source/XPSP1/NT/printscan/print/spooler/spoolss/win32/lmprn.c
2020-09-26 16:20:57 +08:00

981 lines
25 KiB
C

/*++
Copyright (c) 1990-1994 Microsoft Corporation
Module Name:
local.c
Abstract:
This module provides all the public exported APIs relating to Printer
and Job management for the Local Print Providor
Author:
Dave Snipp (DaveSn) 15-Mar-1991
Revision History:
16-Jun-1992 JohnRo net print vs. UNICODE.
July 1994 MattFe Caching
--*/
#include <winerror.h>
#include <windows.h>
#include <winspool.h>
#include <lm.h>
#include <w32types.h>
#include <local.h>
#include <splcom.h> // DBGMSG
#include <wininet.h>
#include <offsets.h>
#include <string.h>
char szPMRaw[]="PM_Q_RAW";
WCHAR *szAdmin = L"ADMIN$";
extern HANDLE hNetApi;
extern NET_API_STATUS (*pfnNetServerGetInfo)();
extern NET_API_STATUS (*pfnNetApiBufferFree)();
HMODULE hSpoolssDll = NULL;
FARPROC pfnSpoolssEnumPorts = NULL;
DWORD
GetPortSize(
PWINIPORT pIniPort,
DWORD Level
)
{
DWORD cb;
WCHAR szMonitor[MAX_PATH+1], szPort[MAX_PATH+1];
switch (Level) {
case 1:
cb=sizeof(PORT_INFO_1) +
wcslen(pIniPort->pName)*sizeof(WCHAR) + sizeof(WCHAR);
break;
case 2:
LoadString(hInst, IDS_MONITOR_NAME, szMonitor, sizeof(szMonitor)/sizeof(szMonitor[0])-1);
LoadString(hInst, IDS_PORT_NAME, szPort, sizeof(szPort)/sizeof(szPort[0])-1);
cb = wcslen(pIniPort->pName) + 1 +
wcslen(szMonitor) + 1 +
wcslen(szPort) + 1;
cb *= sizeof(WCHAR);
cb += sizeof(PORT_INFO_2);
break;
default:
cb = 0;
break;
}
return cb;
}
LPBYTE
CopyIniPortToPort(
PWINIPORT pIniPort,
DWORD Level,
LPBYTE pPortInfo,
LPBYTE pEnd
)
{
LPWSTR *SourceStrings, *pSourceStrings;
DWORD *pOffsets;
WCHAR szMonitor[MAX_PATH+1], szPort[MAX_PATH+1];
DWORD Count;
LPPORT_INFO_2 pPort2 = (LPPORT_INFO_2) pPortInfo;
switch (Level) {
case 1:
pOffsets = PortInfo1Strings;
break;
case 2:
pOffsets = PortInfo2Strings;
break;
default:
DBGMSG(DBG_ERROR, ("CopyIniPortToPort: invalid level %d", Level));
return pEnd;
}
for ( Count = 0 ; pOffsets[Count] != -1 ; ++Count ) {
}
SourceStrings = pSourceStrings = AllocSplMem(Count * sizeof(LPWSTR));
if ( !SourceStrings ) {
DBGMSG(DBG_WARNING,
("CopyIniPortToPort: Failed to alloc port source strings.\n"));
return NULL;
}
switch (Level) {
case 1:
*pSourceStrings++=pIniPort->pName;
break;
case 2:
*pSourceStrings++=pIniPort->pName;
LoadString(hInst, IDS_MONITOR_NAME, szMonitor, sizeof(szMonitor)/sizeof(szMonitor[0])-1);
LoadString(hInst, IDS_PORT_NAME, szPort, sizeof(szPort)/sizeof(szPort[0])-1);
*pSourceStrings++ = szMonitor;
*pSourceStrings++ = szPort;
pPort2->fPortType = PORT_TYPE_WRITE;
pPort2->Reserved = 0;
break;
default:
return pEnd;
DBGMSG(DBG_ERROR,
("CopyIniPortToPort: invalid level %d", Level));
}
pEnd = PackStrings(SourceStrings, pPortInfo, pOffsets, pEnd);
FreeSplMem(SourceStrings);
return pEnd;
}
/* PortExists
*
* Calls EnumPorts to check whether the port name already exists.
* This asks every monitor, rather than just this one.
* The function will return TRUE if the specified port is in the list.
* If an error occurs, the return is FALSE and the variable pointed
* to by pError contains the return from GetLastError().
* The caller must therefore always check that *pError == NO_ERROR.
*/
BOOL
PortExists(
LPWSTR pName,
LPWSTR pPortName,
PDWORD pError
)
{
DWORD cbNeeded;
DWORD cReturned;
DWORD cbPorts;
LPPORT_INFO_1 pPorts;
DWORD i;
BOOL Found = TRUE;
*pError = NO_ERROR;
if (!hSpoolssDll) {
hSpoolssDll = LoadLibrary(L"SPOOLSS.DLL");
if (hSpoolssDll) {
pfnSpoolssEnumPorts = GetProcAddress(hSpoolssDll,
"EnumPortsW");
if (!pfnSpoolssEnumPorts) {
*pError = GetLastError();
FreeLibrary(hSpoolssDll);
hSpoolssDll = NULL;
}
} else {
*pError = GetLastError();
}
}
if (!pfnSpoolssEnumPorts)
return FALSE;
if (!(*pfnSpoolssEnumPorts)(pName, 1, NULL, 0, &cbNeeded, &cReturned))
{
if (GetLastError() == ERROR_INSUFFICIENT_BUFFER)
{
cbPorts = cbNeeded;
pPorts = AllocSplMem(cbPorts);
if (pPorts)
{
if ((*pfnSpoolssEnumPorts)(pName, 1, (LPBYTE)pPorts, cbPorts,
&cbNeeded, &cReturned))
{
Found = FALSE;
for (i = 0; i < cReturned; i++)
{
if (!lstrcmpi(pPorts[i].pName, pPortName))
Found = TRUE;
}
}
}
FreeSplMem(pPorts);
}
}
else
Found = FALSE;
return Found;
}
BOOL
LMOpenPrinter(
LPWSTR pPrinterName,
LPHANDLE phPrinter,
LPPRINTER_DEFAULTS pDefault
)
{
PWINIPORT pIniPort;
PWSPOOL pSpool;
DWORD cb;
PUSE_INFO_0 pUseInfo;
LPWSTR pShare;
WCHAR PrinterName[MAX_UNC_PRINTER_NAME];
DWORD cbNeeded;
DWORD rc;
BYTE Buffer[4];
DWORD Error = NO_ERROR;
DWORD dwEntry = 0xffffffff;
PSERVER_INFO_101 pserver_info_101 = NULL;
/* If we already have an INI port entry by this name, don't worry
* about hitting the network. This ensures that we don't try to
* make a network call when we're not impersonating - like on
* bootup.
*/
if (!(pIniPort = FindPort(pPrinterName, pIniFirstPort))) {
if (!NetUseGetInfo(NULL, pPrinterName, 0, (LPBYTE *)&pUseInfo))
pPrinterName = AllocSplStr(pUseInfo->ui0_remote);
NetApiBufferFree( (LPVOID) pUseInfo );
}
if ( !pPrinterName ||
*pPrinterName != L'\\' ||
*(pPrinterName+1) != L'\\' ||
wcslen(pPrinterName) + 1 > MAX_UNC_PRINTER_NAME ) {
SetLastError(ERROR_INVALID_NAME);
return FALSE;
}
wcscpy(PrinterName, pPrinterName);
pShare=wcschr(PrinterName+2, L'\\');
if ( !pShare ) {
SetLastError(ERROR_INVALID_NAME);
return FALSE;
}
*pShare++=0;
if (!pIniPort) {
/* Verify that this guy actually exists.
* Call it with a zero-length buffer,
* and see if the error is that the buffer isn't big enough.
* If we make Buffer = NULL, it fails with
* ERROR_INVALID_PARAMETER, which is pretty abysmal,
* so we must pass a Buffer address.
* (Actually, it seems to accept any non-NULL value,
* regardless of whether it's a valid address.)
*/
EnterSplSem();
dwEntry = FindEntryinLMCache(PrinterName, pShare);
LeaveSplSem();
if (dwEntry == -1) {
DBGMSG(DBG_TRACE, ("We haven't cached this entry so we have to hit the net\n"));
rc = RxPrintQGetInfo(PrinterName, /* e.g. \\msprint07 */
pShare, /* e.g. l07corpa */
0, /* Level 0 */
Buffer, /* Dummy - won't get filled in */
0, /* Length of buffer */
&cbNeeded); /* How much we need - we'll ignore */
DBGMSG(DBG_INFO, ("LMOpenPrinter!RxPrintQGetInfo returned %d\n", rc));
if (rc == ERROR_ACCESS_DENIED) {
/* The print share exists; we just don't have access to it.
*/
SetLastError(ERROR_ACCESS_DENIED);
return FALSE;
}
if (!((rc == ERROR_MORE_DATA)
||(rc == NERR_BufTooSmall)
||(rc == ERROR_INSUFFICIENT_BUFFER))) {
SetLastError(ERROR_INVALID_NAME);
return FALSE;
}
//
// Be sure that we are connecting to a downlevel server.
// If the server is Windows NT Machine, then fail the call:
// downlevel NT connections won't work properly because
// "\\Server\Printer Name" will get past RxPrintQGetInfo, but
// we can't do CreateFile on it (we need to user the share
// name). Downlevel connects also lose admin functionality.
//
if (pfnNetServerGetInfo) {
rc = pfnNetServerGetInfo(PrinterName, 101, &pserver_info_101);
//
// Advanced Server for Unix (ASU) by AT&T reports that
// they are TYPE_NT even though they don't support the
// rpc interface. They also set TYPE_XENIX_SERVER.
// Since the need lm connections, allow them when
// TYPE_XENIX_SERVER is specified.
//
// Also make this change for SERVER_VMS and SERVER_OSF.
// These changes are for AT&T also.
//
// Note: this will also allow accidental downlevel
// connections to any servers that set TYPE_XENIX_SERVER,
// TYPE_SERVER_VMS, or TYPE_SERVER_OSF.
//
if (!rc &&
(pserver_info_101->sv101_type & SV_TYPE_NT) &&
!(pserver_info_101->sv101_type &
( SV_TYPE_XENIX_SERVER |
SV_TYPE_SERVER_VMS |
SV_TYPE_SERVER_OSF))) {
DBGMSG(DBG_WARNING, ("NetServerGetInfo indicates %ws is a WinNT\n", PrinterName));
pfnNetApiBufferFree((LPVOID)pserver_info_101);
SetLastError(ERROR_INVALID_NAME);
return FALSE;
}
//
// Now free the buffer
//
if (pserver_info_101) {
pfnNetApiBufferFree((LPVOID)pserver_info_101);
}
}
//
// Add entry to the cache
//
EnterSplSem();
AddEntrytoLMCache(PrinterName, pShare);
LeaveSplSem();
}
}
/* Make sure we can write to the print share.
* This will fail if there's an invalid password.
*/
/* hTest = CreateFile(pPrinterName, GENERIC_WRITE, 0, NULL,
OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
if (hTest == INVALID_HANDLE_VALUE) {
DBGMSG(DBG_WARNING, ("Can't write to %ws: Error %d\n",
pPrinterName, GetLastError()));
return FALSE;
}
CloseHandle(hTest); */
/* Make sure there's a port of this name so that
* EnumPorts will return it:
*/
if (!PortExists(NULL, pPrinterName, &Error) && (Error == NO_ERROR)) {
if (CreatePortEntry(pPrinterName, &pIniFirstPort)) {
CreateRegistryEntry(pPrinterName);
}
}
if (Error != NO_ERROR)
return FALSE;
cb = sizeof(WSPOOL);
EnterSplSem();
pSpool = AllocWSpool();
LeaveSplSem();
if ( pSpool != NULL ) {
pSpool->pServer = AllocSplStr(PrinterName);
pSpool->pShare = AllocSplStr(pShare);
pSpool->Status = 0;
pSpool->Type = LM_HANDLE;
} else {
DBGMSG(DBG_TRACE,("Error: LMOpenPrinter to return ERROR_NOT_ENOUGH_MEMORY\n"));
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return FALSE;
}
*phPrinter = (HANDLE)pSpool;
return TRUE;
}
BOOL
LMSetPrinter(
HANDLE hPrinter,
DWORD Level,
LPBYTE pPrinter,
DWORD Command
)
{
PWSPOOL pSpool = (PWSPOOL)hPrinter;
API_RET_TYPE uReturnCode;
DWORD dwParmError;
USE_INFO_1 UseInfo1;
PUSE_INFO_1 pUseInfo1 = &UseInfo1;
WCHAR szRemoteShare[MAX_PATH];
DWORD dwRet;
if (!pSpool ||
pSpool->signature != WSJ_SIGNATURE) {
SetLastError(ERROR_INVALID_HANDLE);
return FALSE;
}
if( (dwRet = StrNCatBuff(szRemoteShare, COUNTOF(szRemoteShare), pSpool->pServer, L"\\", szAdmin, NULL )) != ERROR_SUCCESS ) {
SetLastError(dwRet);
return FALSE;
}
pUseInfo1->ui1_local = NULL;
pUseInfo1->ui1_remote = szRemoteShare;
pUseInfo1->ui1_password = NULL;
pUseInfo1->ui1_asg_type = 0;
dwParmError = 0;
switch (Command) {
case 0:
break;
case PRINTER_CONTROL_PURGE:
uReturnCode = RxPrintQPurge(pSpool->pServer, pSpool->pShare);
if (uReturnCode) {
uReturnCode = NetUseAdd(NULL, 1,
(LPBYTE)pUseInfo1,
&dwParmError);
if (uReturnCode == ERROR_ACCESS_DENIED) {
SetLastError(ERROR_ACCESS_DENIED);
return(FALSE);
} else {
uReturnCode = RxPrintQPurge(pSpool->pServer, pSpool->pShare);
if (uReturnCode == ERROR_ACCESS_DENIED) {
NetUseDel(NULL,
pUseInfo1->ui1_remote, USE_FORCE);
SetLastError(ERROR_ACCESS_DENIED);
return(FALSE);
}
NetUseDel(NULL,
pUseInfo1->ui1_remote, USE_FORCE);
}
}
break;
case PRINTER_CONTROL_RESUME:
uReturnCode = RxPrintQContinue(pSpool->pServer, pSpool->pShare);
if (uReturnCode) {
uReturnCode = NetUseAdd(NULL, 1,
(LPBYTE)pUseInfo1,
&dwParmError);
if (uReturnCode == ERROR_ACCESS_DENIED) {
SetLastError(ERROR_ACCESS_DENIED);
return(FALSE);
} else {
uReturnCode = RxPrintQContinue(pSpool->pServer, pSpool->pShare);
if (uReturnCode == ERROR_ACCESS_DENIED) {
NetUseDel(NULL,
pUseInfo1->ui1_remote, USE_FORCE);
SetLastError(ERROR_ACCESS_DENIED);
return(FALSE);
}
NetUseDel(NULL,
pUseInfo1->ui1_remote, USE_FORCE);
}
}
break;
case PRINTER_CONTROL_PAUSE:
uReturnCode = RxPrintQPause(pSpool->pServer, pSpool->pShare);
if (uReturnCode) {
uReturnCode = NetUseAdd(NULL, 1,
(LPBYTE)pUseInfo1,
&dwParmError);
if (uReturnCode == ERROR_ACCESS_DENIED) {
SetLastError(ERROR_ACCESS_DENIED);
return(FALSE);
} else {
uReturnCode = RxPrintQPause(pSpool->pServer, pSpool->pShare);
if (uReturnCode) {
NetUseDel(NULL,
pUseInfo1->ui1_remote, USE_FORCE);
SetLastError(ERROR_ACCESS_DENIED);
return(FALSE);
}
NetUseDel(NULL,
pUseInfo1->ui1_remote, USE_FORCE);
}
}
break;
default:
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
break;
}
//
// SetPrinter successful - so pulse here if event set,
// or reply to spooler.
//
LMSetSpoolChange(pSpool);
return TRUE;
}
#define Nullstrlen(psz) ((psz) ? wcslen(psz)*sizeof(WCHAR)+sizeof(WCHAR) : 0)
DWORD
GetPrqInfo3Size(
PWSPOOL pSpool,
PRQINFO3 *pPrqInfo3,
DWORD Level
)
{
DWORD cb;
switch (Level) {
case 1:
//
// 3 extra chars
// (2 NULL terminators, 1 for '\' (server/share separator)
//
cb=sizeof(PRINTER_INFO_1) +
wcslen(pSpool->pServer)*sizeof(WCHAR)*2 +
wcslen(pSpool->pShare)*sizeof(WCHAR) +
sizeof(WCHAR)*3 +
Nullstrlen(pPrqInfo3->pszComment);
break;
case 2:
cb = sizeof(PRINTER_INFO_2) +
wcslen(pSpool->pServer)*sizeof(WCHAR) + sizeof(WCHAR) +
wcslen(pSpool->pShare)*sizeof(WCHAR) + sizeof(WCHAR) +
wcslen(pSpool->pServer)*sizeof(WCHAR) +
sizeof(WCHAR) +
wcslen(pSpool->pShare)*sizeof(WCHAR) + sizeof(WCHAR) +
Nullstrlen(pPrqInfo3->pszPrinters) +
Nullstrlen(pPrqInfo3->pszDriverName) +
Nullstrlen(pPrqInfo3->pszComment) +
Nullstrlen(pPrqInfo3->pszSepFile) +
Nullstrlen(pPrqInfo3->pszPrProc) +
wcslen(L"RAW")*sizeof(WCHAR) + sizeof(WCHAR) +
Nullstrlen(pPrqInfo3->pszParms);
break;
default:
cb = 0;
break;
}
return cb;
}
// This can be radically tidied up
// We should probably use the stack for the
// array of string pointers rather than dynamically allocating it !
LPBYTE
CopyPrqInfo3ToPrinter(
PWSPOOL pSpool,
PRQINFO3 *pPrqInfo3,
DWORD Level,
LPBYTE pPrinterInfo,
LPBYTE pEnd
)
{
LPWSTR *pSourceStrings, *SourceStrings;
PPRINTER_INFO_2 pPrinter2 = (PPRINTER_INFO_2)pPrinterInfo;
PPRINTER_INFO_1 pPrinter1 = (PPRINTER_INFO_1)pPrinterInfo;
DWORD i;
DWORD *pOffsets;
DWORD RetVal = ERROR_SUCCESS;
WCHAR szFileName[MAX_PATH];
switch (Level) {
case 1:
pOffsets = PrinterInfo1Strings;
break;
case 2:
pOffsets = PrinterInfo2Strings;
break;
default:
return pEnd;
}
for (i=0; pOffsets[i] != -1; i++) {
}
SourceStrings = pSourceStrings = AllocSplMem(i * sizeof(LPWSTR));
if (!SourceStrings)
return NULL;
switch (Level) {
case 1:
*pSourceStrings++=pSpool->pServer;
RetVal = StrNCatBuff( szFileName,
COUNTOF(szFileName),
pSpool->pServer,
L"\\",
pSpool->pShare,
NULL );
if ( RetVal != ERROR_SUCCESS )
{
break;
}
*pSourceStrings++=szFileName;
*pSourceStrings++=pPrqInfo3->pszComment;
pEnd = PackStrings(SourceStrings, pPrinterInfo, pOffsets, pEnd);
pPrinter1->Flags = PRINTER_ENUM_REMOTE | PRINTER_ENUM_NAME;
break;
case 2:
RetVal = StrNCatBuff( szFileName,
COUNTOF(szFileName),
pSpool->pServer,
L"\\",
pSpool->pShare,
NULL );
if ( RetVal != ERROR_SUCCESS )
{
break;
}
*pSourceStrings++=pSpool->pServer;
*pSourceStrings++=szFileName;
*pSourceStrings++=pSpool->pShare;
*pSourceStrings++=pPrqInfo3->pszPrinters;
*pSourceStrings++=pPrqInfo3->pszDriverName ? pPrqInfo3->pszDriverName : L"";
*pSourceStrings++=pPrqInfo3->pszComment;
*pSourceStrings++=NULL;
*pSourceStrings++=pPrqInfo3->pszSepFile;
*pSourceStrings++=pPrqInfo3->pszPrProc;
*pSourceStrings++=L"RAW";
*pSourceStrings++=pPrqInfo3->pszParms;
pEnd = PackStrings(SourceStrings, (LPBYTE)pPrinter2, pOffsets, pEnd);
pPrinter2->pDevMode=0;
pPrinter2->Attributes=PRINTER_ATTRIBUTE_QUEUED;
pPrinter2->Priority=pPrqInfo3->uPriority;
pPrinter2->DefaultPriority=pPrqInfo3->uPriority;
pPrinter2->StartTime=pPrqInfo3->uStartTime;
pPrinter2->UntilTime=pPrqInfo3->uUntilTime;
pPrinter2->Status=0;
if (pPrqInfo3->fsStatus & PRQ3_PAUSED)
pPrinter2->Status|=PRINTER_STATUS_PAUSED;
if (pPrqInfo3->fsStatus & PRQ3_PENDING)
pPrinter2->Status|=PRINTER_STATUS_PENDING_DELETION;
pPrinter2->cJobs=pPrqInfo3->cJobs;
pPrinter2->AveragePPM=0;
break;
default:
return pEnd;
}
FreeSplMem(SourceStrings);
if ( RetVal == ERROR_SUCCESS )
{
return pEnd;
}
else
{
return NULL;
}
}
BOOL
LMGetPrinter(
HANDLE hPrinter,
DWORD Level,
LPBYTE pPrinter,
DWORD cbBuf,
LPDWORD pcbNeeded
)
{
PWSPOOL pSpool = (PWSPOOL)hPrinter;
PRQINFO3 *pPrqInfo3;
PRQINFO3 PrqInfo3;
PRQINFO *pPrqInfo=NULL;
DWORD cb = 0x400;
DWORD rc;
DWORD cbNeeded;
LPBYTE pInfo = NULL;
BOOL bWFW = FALSE;
if (Level >= 7) {
SetLastError(ERROR_INVALID_LEVEL);
return FALSE;
}
if (!pSpool ||
pSpool->signature != WSJ_SIGNATURE) {
SetLastError(ERROR_INVALID_HANDLE);
return FALSE;
}
pPrqInfo3 = AllocSplMem(cb);
if ( !pPrqInfo3 )
goto Cleanup;
if ( rc = RxPrintQGetInfo(pSpool->pServer, pSpool->pShare, 3,
(PBYTE)pPrqInfo3, cb, &cbNeeded)) {
if (rc == ERROR_MORE_DATA || rc == NERR_BufTooSmall) {
pPrqInfo3=ReallocSplMem(pPrqInfo3, 0, cbNeeded);
if ( !pPrqInfo3 )
goto Cleanup;
cb=cbNeeded;
if (rc = RxPrintQGetInfo(pSpool->pServer, pSpool->pShare,
3, (PBYTE)pPrqInfo3, cb, &cbNeeded)) {
SetLastError(rc);
goto Cleanup;
}
} else if (rc == ERROR_INVALID_LEVEL) {
// Must be WFW
if (rc = RxPrintQGetInfo(pSpool->pServer, pSpool->pShare, 1,
(PBYTE)pPrqInfo3, cb, &cbNeeded)) {
if (rc == ERROR_MORE_DATA || rc == NERR_BufTooSmall) {
pPrqInfo3 = ReallocSplMem(pPrqInfo3, 0, cbNeeded);
if ( !pPrqInfo3 )
goto Cleanup;
cb=cbNeeded;
if (rc = RxPrintQGetInfo(pSpool->pServer, pSpool->pShare, 1,
(PBYTE)pPrqInfo3, cb, &cbNeeded)) {
SetLastError(rc);
goto Cleanup;
}
} else {
SetLastError(rc);
goto Cleanup;
}
}
pPrqInfo = (PRQINFO *)pPrqInfo3;
PrqInfo3.pszName = pPrqInfo->szName;
PrqInfo3.uPriority = pPrqInfo->uPriority;
PrqInfo3.uStartTime = pPrqInfo->uStartTime;
PrqInfo3.uUntilTime = pPrqInfo->uUntilTime;
PrqInfo3.pad1 = 0;
PrqInfo3.pszSepFile = pPrqInfo->pszSepFile;
PrqInfo3.pszPrProc = pPrqInfo->pszPrProc;
PrqInfo3.pszParms = pPrqInfo->pszDestinations;
PrqInfo3.pszComment = pPrqInfo->pszComment;
PrqInfo3.fsStatus = pPrqInfo->fsStatus;
PrqInfo3.cJobs = pPrqInfo->cJobs;
PrqInfo3.pszPrinters = pPrqInfo->pszDestinations;
PrqInfo3.pszDriverName = L"";
PrqInfo3.pDriverData = NULL;
bWFW = TRUE;
} else {
SetLastError(rc);
goto Cleanup;
}
}
cbNeeded=GetPrqInfo3Size(pSpool,
bWFW ? &PrqInfo3 : pPrqInfo3,
Level);
*pcbNeeded=cbNeeded;
if (cbNeeded > cbBuf) {
SetLastError(ERROR_INSUFFICIENT_BUFFER);
goto Cleanup;
}
pInfo = CopyPrqInfo3ToPrinter(pSpool,
bWFW ? &PrqInfo3 : pPrqInfo3,
Level,
pPrinter,
(LPBYTE)pPrinter+cbBuf);
Cleanup:
if (pPrqInfo3)
FreeSplMem(pPrqInfo3);
return pInfo != NULL;
}
BOOL
LMEnumPorts(
LPWSTR pName,
DWORD Level,
LPBYTE pPorts,
DWORD cbBuf,
LPDWORD pcbNeeded,
LPDWORD pcReturned
)
{
BOOL rc=TRUE;
DWORD cb;
PWINIPORT pIniPort;
LPBYTE pEnd;
switch (Level) {
case 1:
break;
case 2:
break;
default:
SetLastError(ERROR_INVALID_LEVEL);
return FALSE;
}
EnterSplSem();
cb=0;
pIniPort = pIniFirstPort;
while (pIniPort) {
cb+=GetPortSize(pIniPort, Level);
pIniPort=pIniPort->pNext;
}
*pcbNeeded=cb;
if (cb <= cbBuf) {
pEnd=pPorts+cbBuf;
*pcReturned=0;
pIniPort = pIniFirstPort;
while (pIniPort) {
pEnd = CopyIniPortToPort(pIniPort, Level, pPorts, pEnd);
switch (Level) {
case 1:
pPorts+=sizeof(PORT_INFO_1);
break;
case 2:
pPorts+=sizeof(PORT_INFO_2);
break;
}
pIniPort=pIniPort->pNext;
(*pcReturned)++;
}
} else {
*pcReturned = 0;
rc = FALSE;
SetLastError(ERROR_INSUFFICIENT_BUFFER);
}
LeaveSplSem();
return rc;
}