reactos/win32ss/printing/base/spoolsv/jobs.c

204 lines
6.3 KiB
C

/*
* PROJECT: ReactOS Print Spooler Service
* LICENSE: GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
* PURPOSE: Functions for managing print jobs
* COPYRIGHT: Copyright 2015-2017 Colin Finck (colin@reactos.org)
*/
#include "precomp.h"
static void
_MarshallDownAddJobInfo(PADDJOB_INFO_1W* ppAddJobInfo1)
{
// Replace absolute pointer addresses in the output by relative offsets.
PADDJOB_INFO_1W pAddJobInfo1 = *ppAddJobInfo1;
pAddJobInfo1->Path = (PWSTR)((ULONG_PTR)pAddJobInfo1->Path - (ULONG_PTR)pAddJobInfo1);
*ppAddJobInfo1 += sizeof(ADDJOB_INFO_1W);
}
static void
_MarshallDownJobInfo(PBYTE* ppJobInfo, DWORD Level)
{
// Replace absolute pointer addresses in the output by relative offsets.
if (Level == 1)
{
PJOB_INFO_1W pJobInfo1 = (PJOB_INFO_1W)(*ppJobInfo);
pJobInfo1->pDatatype = (PWSTR)((ULONG_PTR)pJobInfo1->pDatatype - (ULONG_PTR)pJobInfo1);
pJobInfo1->pDocument = (PWSTR)((ULONG_PTR)pJobInfo1->pDocument - (ULONG_PTR)pJobInfo1);
pJobInfo1->pMachineName = (PWSTR)((ULONG_PTR)pJobInfo1->pMachineName - (ULONG_PTR)pJobInfo1);
pJobInfo1->pPrinterName = (PWSTR)((ULONG_PTR)pJobInfo1->pPrinterName - (ULONG_PTR)pJobInfo1);
if (pJobInfo1->pStatus)
pJobInfo1->pStatus = (PWSTR)((ULONG_PTR)pJobInfo1->pStatus - (ULONG_PTR)pJobInfo1);
pJobInfo1->pUserName = (PWSTR)((ULONG_PTR)pJobInfo1->pUserName - (ULONG_PTR)pJobInfo1);
*ppJobInfo += sizeof(JOB_INFO_1W);
}
else if (Level == 2)
{
PJOB_INFO_2W pJobInfo2 = (PJOB_INFO_2W)(*ppJobInfo);
pJobInfo2->pDatatype = (PWSTR)((ULONG_PTR)pJobInfo2->pDatatype - (ULONG_PTR)pJobInfo2);
pJobInfo2->pDevMode = (PDEVMODEW)((ULONG_PTR)pJobInfo2->pDevMode - (ULONG_PTR)pJobInfo2);
pJobInfo2->pDocument = (PWSTR)((ULONG_PTR)pJobInfo2->pDocument - (ULONG_PTR)pJobInfo2);
pJobInfo2->pDriverName = (PWSTR)((ULONG_PTR)pJobInfo2->pDriverName - (ULONG_PTR)pJobInfo2);
pJobInfo2->pMachineName = (PWSTR)((ULONG_PTR)pJobInfo2->pMachineName - (ULONG_PTR)pJobInfo2);
pJobInfo2->pNotifyName = (PWSTR)((ULONG_PTR)pJobInfo2->pNotifyName - (ULONG_PTR)pJobInfo2);
pJobInfo2->pPrinterName = (PWSTR)((ULONG_PTR)pJobInfo2->pPrinterName - (ULONG_PTR)pJobInfo2);
pJobInfo2->pPrintProcessor = (PWSTR)((ULONG_PTR)pJobInfo2->pPrintProcessor - (ULONG_PTR)pJobInfo2);
if (pJobInfo2->pParameters)
pJobInfo2->pParameters = (PWSTR)((ULONG_PTR)pJobInfo2->pParameters - (ULONG_PTR)pJobInfo2);
if (pJobInfo2->pStatus)
pJobInfo2->pStatus = (PWSTR)((ULONG_PTR)pJobInfo2->pStatus - (ULONG_PTR)pJobInfo2);
pJobInfo2->pUserName = (PWSTR)((ULONG_PTR)pJobInfo2->pUserName - (ULONG_PTR)pJobInfo2);
*ppJobInfo += sizeof(JOB_INFO_2W);
}
}
DWORD
_RpcAddJob(WINSPOOL_PRINTER_HANDLE hPrinter, DWORD Level, BYTE* pAddJob, DWORD cbBuf, DWORD* pcbNeeded)
{
DWORD dwErrorCode;
PBYTE pAddJobAligned;
dwErrorCode = RpcImpersonateClient(NULL);
if (dwErrorCode != ERROR_SUCCESS)
{
ERR("RpcImpersonateClient failed with error %lu!\n", dwErrorCode);
return dwErrorCode;
}
pAddJobAligned = AlignRpcPtr(pAddJob, &cbBuf);
if (AddJobW(hPrinter, Level, pAddJobAligned, cbBuf, pcbNeeded))
{
PBYTE p = pAddJobAligned;
// Replace absolute pointer addresses in the output by relative offsets.
_MarshallDownAddJobInfo((PADDJOB_INFO_1W*)&p);
}
else
{
dwErrorCode = GetLastError();
}
RpcRevertToSelf();
UndoAlignRpcPtr(pAddJob, pAddJobAligned, cbBuf, pcbNeeded);
return dwErrorCode;
}
DWORD
_RpcEnumJobs(WINSPOOL_PRINTER_HANDLE hPrinter, DWORD FirstJob, DWORD NoJobs, DWORD Level, BYTE* pJob, DWORD cbBuf, DWORD* pcbNeeded, DWORD* pcReturned)
{
DWORD dwErrorCode;
PBYTE pJobAligned;
dwErrorCode = RpcImpersonateClient(NULL);
if (dwErrorCode != ERROR_SUCCESS)
{
ERR("RpcImpersonateClient failed with error %lu!\n", dwErrorCode);
return dwErrorCode;
}
pJobAligned = AlignRpcPtr(pJob, &cbBuf);
if (EnumJobsW(hPrinter, FirstJob, NoJobs, Level, pJobAligned, cbBuf, pcbNeeded, pcReturned))
{
DWORD i;
PBYTE p = pJobAligned;
// Replace absolute pointer addresses in the output by relative offsets.
for (i = 0; i < *pcReturned; i++)
_MarshallDownJobInfo(&p, Level);
}
else
{
dwErrorCode = GetLastError();
}
RpcRevertToSelf();
UndoAlignRpcPtr(pJob, pJobAligned, cbBuf, pcbNeeded);
return dwErrorCode;
}
DWORD
_RpcGetJob(WINSPOOL_PRINTER_HANDLE hPrinter, DWORD JobId, DWORD Level, BYTE* pJob, DWORD cbBuf, DWORD* pcbNeeded)
{
DWORD dwErrorCode;
PBYTE pJobAligned;
dwErrorCode = RpcImpersonateClient(NULL);
if (dwErrorCode != ERROR_SUCCESS)
{
ERR("RpcImpersonateClient failed with error %lu!\n", dwErrorCode);
return dwErrorCode;
}
pJobAligned = AlignRpcPtr(pJob, &cbBuf);
if (GetJobW(hPrinter, JobId, Level, pJobAligned, cbBuf, pcbNeeded))
{
PBYTE p = pJobAligned;
// Replace absolute pointer addresses in the output by relative offsets.
_MarshallDownJobInfo(&p, Level);
}
else
{
dwErrorCode = GetLastError();
}
RpcRevertToSelf();
UndoAlignRpcPtr(pJob, pJobAligned, cbBuf, pcbNeeded);
return dwErrorCode;
}
DWORD
_RpcScheduleJob(WINSPOOL_PRINTER_HANDLE hPrinter, DWORD JobId)
{
DWORD dwErrorCode;
dwErrorCode = RpcImpersonateClient(NULL);
if (dwErrorCode != ERROR_SUCCESS)
{
ERR("RpcImpersonateClient failed with error %lu!\n", dwErrorCode);
return dwErrorCode;
}
if (!ScheduleJob(hPrinter, JobId))
dwErrorCode = GetLastError();
RpcRevertToSelf();
return dwErrorCode;
}
DWORD
_RpcSetJob(WINSPOOL_PRINTER_HANDLE hPrinter, DWORD JobId, WINSPOOL_JOB_CONTAINER* pJobContainer, DWORD Command)
{
DWORD dwErrorCode;
dwErrorCode = RpcImpersonateClient(NULL);
if (dwErrorCode != ERROR_SUCCESS)
{
ERR("RpcImpersonateClient failed with error %lu!\n", dwErrorCode);
return dwErrorCode;
}
// pJobContainer->JobInfo is a union of pointers, so we can just convert any element to our BYTE pointer.
if (!SetJobW(hPrinter, JobId, pJobContainer->Level, (PBYTE)pJobContainer->JobInfo.Level1, Command))
dwErrorCode = GetLastError();
RpcRevertToSelf();
return dwErrorCode;
}