Source code of Windows XP (NT5)
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/*++
Copyright (c) 1990 - 1995 Microsoft Corporation
Module Name:
prtproc.c
Abstract:
This module provides all the public exported APIs relating to the
PrintProcessor based Spooler Apis for the Local Print Providor
LocalAddPrintProcessor
LocalEnumPrintProcessors
LocalDeletePrintProcessor
LocalGetPrintProcessorDirectory
LocalEnumPrintProcessorDatatypes
Support Functions in prtproc.c - (Warning! Do Not Add to this list!!)
AddPrintProcessorIni
DeletePrintProcessorIni
CopyIniPrintProcToPrintProcInfo
GetPrintProcessorInfoSize
Author:
Dave Snipp (DaveSn) 15-Mar-1991
Revision History:
Felix Maxa (amaxa) 18-Jun-2000
Modified registry functions to take pIniSpooler
Added code to propagate print processors to the cluster disk
Matthew A Felton ( MattFe ) 27 June 1994
pIniSpooler
--*/
#define NOMINMAX
#include <precomp.h>
#include <offsets.h>
#include "clusspl.h"
//
// Support Function Prototypes
//
DWORD
GetPrintProcessorInfoSize(
PINIPRINTPROC pIniPrintProc,
DWORD Level,
LPWSTR pEnvironment
);
LPBYTE
CopyIniPrintProcToPrintProcInfo(
LPWSTR pEnvironment,
PINIPRINTPROC pIniPrintProc,
DWORD Level,
LPBYTE pPrintProcessorInfo,
LPBYTE pEnd
);
BOOL
AddPrintProcessorIni(
PINIPRINTPROC pIniPrintProc,
PINIENVIRONMENT pIniEnvironment,
PINISPOOLER pIniSpooler
);
BOOL
DeletePrintProcessorIni(
PINIPRINTPROC pIniPrintProc,
PINIENVIRONMENT pIniEnvironment,
PINISPOOLER pIniSpooler
);
BOOL
LocalAddPrintProcessor(
LPWSTR pName,
LPWSTR pEnvironment,
LPWSTR pPathName,
LPWSTR pPrintProcessorName
)
{
PINISPOOLER pIniSpooler;
BOOL bReturn;
pIniSpooler = FindSpoolerByNameIncRef( pName, NULL );
if( !pIniSpooler ){
return ROUTER_UNKNOWN;
}
bReturn = SplAddPrintProcessor( pName, pEnvironment, pPathName,
pPrintProcessorName, pIniSpooler );
FindSpoolerByNameDecRef( pIniSpooler );
return bReturn;
}
BOOL
SplAddPrintProcessor(
LPWSTR pName,
LPWSTR pEnvironment,
LPWSTR pPathName,
LPWSTR pPrintProcessorName,
PINISPOOLER pIniSpooler
)
{
PINIPRINTPROC pIniPrintProc;
PINIENVIRONMENT pIniEnvironment;
DWORD LastError=0;
if (!MyName( pName, pIniSpooler )) {
return FALSE;
}
if(!pPrintProcessorName || wcslen( pPrintProcessorName ) >= MAX_PATH) {
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
EnterSplSem();
if ( ValidateObjectAccess(SPOOLER_OBJECT_SERVER,
SERVER_ACCESS_ADMINISTER,
NULL, NULL, pIniSpooler )) {
if ((pIniEnvironment = FindEnvironment(pEnvironment, pIniSpooler)) &&
(pIniEnvironment == FindEnvironment(szEnvironment, pIniSpooler))) {
if (!FindPrintProc(pPrintProcessorName, pIniEnvironment)) {
pIniPrintProc = LoadPrintProcessor(pIniEnvironment,
pPrintProcessorName,
pPathName,
pIniSpooler);
if (!pIniPrintProc ||
!AddPrintProcessorIni(pIniPrintProc, pIniEnvironment, pIniSpooler))
{
LastError = GetLastError();
}
else
{
//
// For a cluster type spooler copy the print proc to the cluster disk
//
if (pIniSpooler->SpoolerFlags & SPL_TYPE_CLUSTER)
{
WCHAR szDestDir[MAX_PATH] = {0};
WCHAR szSourceFile[MAX_PATH] = {0};
if ((LastError = StrNCatBuff(szDestDir,
MAX_PATH,
pIniSpooler->pszClusResDriveLetter,
L"\\",
szClusterDriverRoot,
L"\\",
pIniEnvironment->pDirectory,
NULL)) == ERROR_SUCCESS &&
(LastError = StrNCatBuff(szSourceFile,
MAX_PATH,
pIniSpooler->pDir,
L"\\",
szPrintProcDir,
L"\\",
pIniEnvironment->pDirectory,
L"\\",
pPathName,
NULL)) == ERROR_SUCCESS)
{
//
// This function will take care to create the destination directory tree
//
LastError = CopyFileToDirectory(szSourceFile, szDestDir, NULL, NULL, NULL);
DBGMSG(DBG_CLUSTER, ("ClusterCopyProcessorToClusterDisks returns Win32 error %u\n", LastError));
}
}
}
} else
LastError = ERROR_PRINT_PROCESSOR_ALREADY_INSTALLED;
} else
LastError = ERROR_INVALID_ENVIRONMENT;
} else
LastError = GetLastError();
if (!LastError)
SetPrinterChange(NULL,
NULL,
NULL,
PRINTER_CHANGE_ADD_PRINT_PROCESSOR,
pIniSpooler);
LeaveSplSem();
SplOutSem();
if (LastError) {
SetLastError(LastError);
return FALSE;
}
return TRUE;
}
BOOL
LocalDeletePrintProcessor(
LPWSTR pName,
LPWSTR pEnvironment,
LPWSTR pPrintProcessorName
)
{
PINISPOOLER pIniSpooler;
BOOL bReturn;
pIniSpooler = FindSpoolerByNameIncRef( pName, NULL );
if( !pIniSpooler ){
return ROUTER_UNKNOWN;
}
bReturn = SplDeletePrintProcessor( pName,
pEnvironment,
pPrintProcessorName,
pIniSpooler );
FindSpoolerByNameDecRef( pIniSpooler );
return bReturn;
}
BOOL
SplDeletePrintProcessor(
LPWSTR pName,
LPWSTR pEnvironment,
LPWSTR pPrintProcessorName,
PINISPOOLER pIniSpooler
)
{
PINIENVIRONMENT pIniEnvironment;
PINIPRINTPROC pIniPrintProc;
BOOL Remote=FALSE;
if (pName && *pName) {
if (!MyName( pName, pIniSpooler )) {
return FALSE;
} else {
Remote = TRUE;
}
}
if ( !ValidateObjectAccess(SPOOLER_OBJECT_SERVER,
SERVER_ACCESS_ADMINISTER,
NULL, NULL, pIniSpooler )) {
return FALSE;
}
EnterSplSem();
pIniEnvironment = FindEnvironment(pEnvironment, pIniSpooler);
//
// Fail the call if we can't find a matching environment or
// the environemnt doesn't match to the environemnt of the
// local machine
//
if (!pIniEnvironment ||
lstrcmpi(pIniEnvironment->pName, szEnvironment))
{
LeaveSplSem();
SetLastError(ERROR_INVALID_ENVIRONMENT);
return FALSE;
}
if (!(pIniPrintProc=(PINIPRINTPROC)FindIniKey(
(PINIENTRY)pIniEnvironment->pIniPrintProc,
pPrintProcessorName)))
{
SetLastError(ERROR_UNKNOWN_PRINTPROCESSOR);
LeaveSplSem();
return FALSE;
}
else if (pIniPrintProc->cRef)
{
SetLastError(ERROR_CAN_NOT_COMPLETE);
LeaveSplSem();
return FALSE;
}
RemoveFromList((PINIENTRY *)&pIniEnvironment->pIniPrintProc,
(PINIENTRY)pIniPrintProc);
DeletePrintProcessorIni(pIniPrintProc, pIniEnvironment, pIniSpooler);
if (!FreeLibrary(pIniPrintProc->hLibrary)) {
DBGMSG(DBG_TRACE, ("DeletePrintProcessor: FreeLibrary failed\n"));
}
FreeSplMem(pIniPrintProc->pDatatypes);
DeleteCriticalSection(&pIniPrintProc->CriticalSection);
FreeSplMem(pIniPrintProc);
SetPrinterChange(NULL,
NULL,
NULL,
PRINTER_CHANGE_DELETE_PRINT_PROCESSOR,
pIniSpooler);
LeaveSplSem();
return TRUE;
}
BOOL
LocalEnumPrintProcessors(
LPWSTR pName,
LPWSTR pEnvironment,
DWORD Level,
LPBYTE pPrintProcessorInfo,
DWORD cbBuf,
LPDWORD pcbNeeded,
LPDWORD pcReturned
)
{
PINISPOOLER pIniSpooler;
BOOL bReturn;
pIniSpooler = FindSpoolerByNameIncRef( pName, NULL );
if( !pIniSpooler ){
return ROUTER_UNKNOWN;
}
bReturn = SplEnumPrintProcessors( pName,
pEnvironment,
Level,
pPrintProcessorInfo,
cbBuf,
pcbNeeded,
pcReturned,
pIniSpooler );
FindSpoolerByNameDecRef( pIniSpooler );
return bReturn;
}
BOOL
SplEnumPrintProcessors(
LPWSTR pName,
LPWSTR pEnvironment,
DWORD Level,
LPBYTE pPrintProcessorInfo,
DWORD cbBuf,
LPDWORD pcbNeeded,
LPDWORD pcReturned,
PINISPOOLER pIniSpooler
)
{
PINIPRINTPROC pIniPrintProc;
PINIENVIRONMENT pIniEnvironment;
DWORD cb, cbStruct;
LPBYTE pEnd;
DWORD LastError=0;
if (!MyName( pName, pIniSpooler )) {
return FALSE;
}
if ( !ValidateObjectAccess(SPOOLER_OBJECT_SERVER,
SERVER_ACCESS_ENUMERATE,
NULL, NULL, pIniSpooler )) {
return FALSE;
}
EnterSplSem();
//
// Don't ignore the environment. This was added in 3.1 as a hack instead
// of fixing printman. The problem was that from remote, different
// environments, it would look for the wrong architecture. Now the
// NT 4.0 and 5.0 UI code does the right thing.
//
if( !pEnvironment ||
!(pIniEnvironment = FindEnvironment( pEnvironment, pIniSpooler ))){
LastError = ERROR_INVALID_ENVIRONMENT;
goto Done;
}
switch (Level) {
case 1:
cbStruct = sizeof(PRINTPROCESSOR_INFO_1);
break;
default:
LeaveSplSem();
SetLastError( ERROR_INVALID_LEVEL );
return FALSE;
}
*pcReturned=0;
cb=0;
pIniPrintProc=pIniEnvironment->pIniPrintProc;
while (pIniPrintProc) {
cb+=GetPrintProcessorInfoSize(pIniPrintProc, Level, pEnvironment);
pIniPrintProc=pIniPrintProc->pNext;
}
*pcbNeeded=cb;
if (cb <= cbBuf) {
pIniPrintProc=pIniEnvironment->pIniPrintProc;
pEnd=pPrintProcessorInfo+cbBuf;
while (pEnd && pIniPrintProc) {
pEnd = CopyIniPrintProcToPrintProcInfo(pEnvironment,
pIniPrintProc,
Level,
pPrintProcessorInfo,
pEnd);
pPrintProcessorInfo+=cbStruct;
(*pcReturned)++;
pIniPrintProc=pIniPrintProc->pNext;
}
if (!pEnd && cbBuf)
LastError = ERROR_OUTOFMEMORY;
} else
LastError = ERROR_INSUFFICIENT_BUFFER;
Done:
LeaveSplSem();
SplOutSem();
if (LastError) {
SetLastError(LastError);
return FALSE;
}
return TRUE;
}
BOOL
LocalGetPrintProcessorDirectory(
LPWSTR pName,
LPWSTR pEnvironment,
DWORD Level,
LPBYTE pPrintProcessorInfo,
DWORD cbBuf,
LPDWORD pcbNeeded
)
{
PINISPOOLER pIniSpooler;
BOOL bReturn;
pIniSpooler = FindSpoolerByNameIncRef( pName, NULL );
if( !pIniSpooler ){
return ROUTER_UNKNOWN;
}
bReturn = SplGetPrintProcessorDirectory( pName,
pEnvironment,
Level,
pPrintProcessorInfo,
cbBuf,
pcbNeeded,
pIniSpooler );
FindSpoolerByNameDecRef( pIniSpooler );
return bReturn;
}
BOOL
SplGetPrintProcessorDirectory(
LPWSTR pName,
LPWSTR pEnvironment,
DWORD Level,
LPBYTE pPrintProcessorInfo,
DWORD cbBuf,
LPDWORD pcbNeeded,
PINISPOOLER pIniSpooler
)
{
PINIENVIRONMENT pIniEnvironment;
DWORD cb;
DWORD dwError = ERROR_INVALID_ENVIRONMENT;
LPWSTR pszString = NULL;
BOOL rc = FALSE;
if (MyName( pName, pIniSpooler) &&
ValidateObjectAccess(SPOOLER_OBJECT_SERVER,
SERVER_ACCESS_ENUMERATE,
NULL,
NULL,
pIniSpooler))
{
EnterSplSem();
pIniEnvironment = FindEnvironment(pEnvironment, pIniSpooler);
if (pIniEnvironment)
{
dwError = GetProcessorDirectory(&pszString, pIniEnvironment->pDirectory, pIniSpooler);
if (dwError == ERROR_SUCCESS)
{
*pcbNeeded = cb = wcslen(pszString) * sizeof(WCHAR) + sizeof(WCHAR);
if (cbBuf >= cb)
{
wcscpy((LPWSTR)pPrintProcessorInfo, pszString);
//
// Make sure the directory exists
//
CreatePrintProcDirectory(pIniEnvironment->pDirectory, pIniSpooler);
rc = TRUE;
}
else
{
dwError = ERROR_INSUFFICIENT_BUFFER;
}
}
}
LeaveSplSem();
SetLastError(dwError);
FreeSplMem(pszString);
}
return rc;
}
BOOL
LocalEnumPrintProcessorDatatypes(
LPWSTR pName,
LPWSTR pPrintProcessorName,
DWORD Level,
LPBYTE pDatatypes,
DWORD cbBuf,
LPDWORD pcbNeeded,
LPDWORD pcReturned
)
{
PINISPOOLER pIniSpooler;
BOOL bReturn;
pIniSpooler = FindSpoolerByNameIncRef( pName, NULL );
if( !pIniSpooler ){
return ROUTER_UNKNOWN;
}
bReturn = SplEnumPrintProcessorDatatypes( pName,
pPrintProcessorName,
Level,
pDatatypes,
cbBuf,
pcbNeeded,
pcReturned,
pIniSpooler );
FindSpoolerByNameDecRef( pIniSpooler );
return bReturn;
}
BOOL
SplEnumPrintProcessorDatatypes(
LPWSTR pName,
LPWSTR pPrintProcessorName,
DWORD Level,
LPBYTE pDatatypes,
DWORD cbBuf,
LPDWORD pcbNeeded,
LPDWORD pcReturned,
PINISPOOLER pIniSpooler
)
{
PINIPRINTPROC pIniPrintProc;
PINIENVIRONMENT pIniEnvironment;
if (!MyName( pName, pIniSpooler )) {
return FALSE;
}
if ( !ValidateObjectAccess(SPOOLER_OBJECT_SERVER,
SERVER_ACCESS_ENUMERATE,
NULL, NULL, pIniSpooler )) {
return FALSE;
}
EnterSplSem();
pIniPrintProc = FindPrintProc(pPrintProcessorName, GetLocalArchEnv(pIniSpooler));
LeaveSplSem();
if (pIniPrintProc)
return (*pIniPrintProc->EnumDatatypes)(pName, pPrintProcessorName,
Level, pDatatypes, cbBuf,
pcbNeeded, pcReturned);
else {
SetLastError(ERROR_UNKNOWN_PRINTPROCESSOR);
return FALSE;
}
}
DWORD
GetPrintProcessorInfoSize(
PINIPRINTPROC pIniPrintProc,
DWORD Level,
LPWSTR pEnvironment
)
{
DWORD cb=0;
switch (Level) {
case 1:
cb=sizeof(PRINTPROCESSOR_INFO_1) +
wcslen(pIniPrintProc->pName)*sizeof(WCHAR) + sizeof(WCHAR);
break;
default:
cb = 0;
break;
}
return cb;
}
LPBYTE
CopyIniPrintProcToPrintProcInfo(
LPWSTR pEnvironment,
PINIPRINTPROC pIniPrintProc,
DWORD Level,
LPBYTE pPrintProcessorInfo,
LPBYTE pEnd
)
{
LPWSTR *pSourceStrings, *SourceStrings;
PPRINTPROCESSOR_INFO_1 pDriver1 = (PPRINTPROCESSOR_INFO_1)pPrintProcessorInfo;
DWORD j;
DWORD *pOffsets;
switch (Level) {
case 1:
pOffsets = PrintProcessorInfo1Strings;
break;
default:
return pEnd;
}
for (j=0; pOffsets[j] != -1; j++) {
}
SourceStrings = pSourceStrings = AllocSplMem(j * sizeof(LPWSTR));
if (!pSourceStrings) {
DBGMSG(DBG_WARNING, ("Could not allocate %d bytes for print proc source strings.\n",
(j * sizeof(LPWSTR))));
return pEnd;
}
switch (Level) {
case 1:
*pSourceStrings++=pIniPrintProc->pName;
pEnd = PackStrings(SourceStrings, (LPBYTE)pPrintProcessorInfo, pOffsets, pEnd);
break;
}
FreeSplMem(SourceStrings);
return pEnd;
}
BOOL
AddPrintProcessorIni(
PINIPRINTPROC pIniPrintProc,
PINIENVIRONMENT pIniEnvironment,
PINISPOOLER pIniSpooler
)
{
HKEY hEnvironmentsRootKey, hEnvironmentKey, hPrintProcsKey, hPrintProcKey;
HANDLE hToken;
BOOL ReturnValue = FALSE;
hToken = RevertToPrinterSelf();
if (SplRegCreateKey(pIniSpooler->SpoolerFlags & SPL_CLUSTER_REG ? pIniSpooler->hckRoot : HKEY_LOCAL_MACHINE,
pIniSpooler->pszRegistryEnvironments,
0,
KEY_WRITE,
NULL,
&hEnvironmentsRootKey,
NULL,
pIniSpooler) == ERROR_SUCCESS)
{
if (SplRegOpenKey(hEnvironmentsRootKey,
pIniEnvironment->pName,
KEY_WRITE,
&hEnvironmentKey,
pIniSpooler) == ERROR_SUCCESS)
{
if (SplRegOpenKey(hEnvironmentKey,
szPrintProcKey,
KEY_WRITE,
&hPrintProcsKey,
pIniSpooler) == ERROR_SUCCESS)
{
if (SplRegCreateKey(hPrintProcsKey,
pIniPrintProc->pName,
0,
KEY_WRITE,
NULL,
&hPrintProcKey,
NULL,
pIniSpooler) == ERROR_SUCCESS)
{
if (SplRegSetValue(hPrintProcKey,
szDriverFile,
REG_SZ,
(LPBYTE)pIniPrintProc->pDLLName,
(wcslen(pIniPrintProc->pDLLName) + 1)*sizeof(WCHAR),
pIniSpooler) == ERROR_SUCCESS)
{
ReturnValue = TRUE;
DBGMSG(DBG_CLUSTER, ("AddPrintProcessorIni Success "TSTR" "TSTR"\n", pIniPrintProc->pName, pIniPrintProc->pDLLName));
}
SplRegCloseKey(hPrintProcKey, pIniSpooler);
}
SplRegCloseKey(hPrintProcsKey, pIniSpooler);
}
SplRegCloseKey(hEnvironmentKey, pIniSpooler);
}
SplRegCloseKey(hEnvironmentsRootKey, pIniSpooler);
}
ImpersonatePrinterClient(hToken);
return ReturnValue;
}
BOOL
DeletePrintProcessorIni(
PINIPRINTPROC pIniPrintProc,
PINIENVIRONMENT pIniEnvironment,
PINISPOOLER pIniSpooler
)
{
HKEY hEnvironmentsRootKey, hEnvironmentKey, hPrintProcsKey;
HANDLE hToken;
hToken = RevertToPrinterSelf();
if (SplRegCreateKey(pIniSpooler->SpoolerFlags & SPL_CLUSTER_REG ? pIniSpooler->hckRoot : HKEY_LOCAL_MACHINE,
pIniSpooler->pszRegistryEnvironments,
0,
KEY_WRITE,
NULL,
&hEnvironmentsRootKey,
NULL,
pIniSpooler) == ERROR_SUCCESS)
{
if (SplRegOpenKey(hEnvironmentsRootKey,
pIniEnvironment->pName,
KEY_WRITE,
&hEnvironmentKey,
pIniSpooler) == ERROR_SUCCESS)
{
if (SplRegOpenKey(hEnvironmentKey,
szPrintProcKey,
KEY_WRITE,
&hPrintProcsKey,
pIniSpooler) == ERROR_SUCCESS)
{
SplRegDeleteKey(hPrintProcsKey, pIniPrintProc->pName, pIniSpooler);
SplRegCloseKey(hPrintProcsKey, pIniSpooler);
DBGMSG(DBG_CLUSTER, ("DeletePrintProcessorIni Success "TSTR"\n", pIniPrintProc->pName));
}
SplRegCloseKey(hEnvironmentKey, pIniSpooler);
}
SplRegCloseKey(hEnvironmentsRootKey, pIniSpooler);
}
ImpersonatePrinterClient(hToken);
return TRUE;
}