win32ss/printing/base/spoolsv/monitors.c

   1 /*
   2  * PROJECT:     ReactOS Print Spooler Service
   3  * LICENSE:     GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
   4  * PURPOSE:     Functions related to Print Monitors
   5  * COPYRIGHT:   Copyright 2015-2018 Colin Finck (colin@reactos.org)
   6  */
   7
   8 #include "precomp.h"
   9 #include <marshalling/monitors.h>
  10
  11 DWORD
  12 _RpcAddMonitor(WINSPOOL_HANDLE pName, WINSPOOL_MONITOR_CONTAINER* pMonitorContainer)
  13 {
  14     DWORD dwErrorCode;
  15
  16     dwErrorCode = RpcImpersonateClient(NULL);
  17     if (dwErrorCode != ERROR_SUCCESS)
  18     {
  19         ERR("RpcImpersonateClient failed with error %lu!\n", dwErrorCode);
  20         return dwErrorCode;
  21     }
  22
  23     if (!AddMonitorW(pName, pMonitorContainer->Level, (PBYTE)pMonitorContainer->MonitorInfo.pMonitorInfo2))
  24         dwErrorCode = GetLastError();
  25
  26     RpcRevertToSelf();
  27     return dwErrorCode;
  28 }
  29
  30 DWORD
  31 _RpcDeleteMonitor(WINSPOOL_HANDLE pName, WCHAR* pEnvironment, WCHAR* pMonitorName)
  32 {
  33     DWORD dwErrorCode;
  34
  35     dwErrorCode = RpcImpersonateClient(NULL);
  36     if (dwErrorCode != ERROR_SUCCESS)
  37     {
  38         ERR("RpcImpersonateClient failed with error %lu!\n", dwErrorCode);
  39         return dwErrorCode;
  40     }
  41
  42     if (!DeleteMonitorW( pName, pEnvironment, pMonitorName ))
  43         dwErrorCode = GetLastError();
  44
  45     RpcRevertToSelf();
  46     return dwErrorCode;
  47 }
  48
  49 DWORD
  50 _RpcEnumMonitors(WINSPOOL_HANDLE pName, DWORD Level, BYTE* pMonitor, DWORD cbBuf, DWORD* pcbNeeded, DWORD* pcReturned)
  51 {
  52     DWORD dwErrorCode;
  53     PBYTE pMonitorAligned;
  54
  55     dwErrorCode = RpcImpersonateClient(NULL);
  56     if (dwErrorCode != ERROR_SUCCESS)
  57     {
  58         ERR("RpcImpersonateClient failed with error %lu!\n", dwErrorCode);
  59         return dwErrorCode;
  60     }
  61
  62     pMonitorAligned = AlignRpcPtr(pMonitor, &cbBuf);
  63
  64     if(EnumMonitorsW(pName, Level, pMonitorAligned, cbBuf, pcbNeeded, pcReturned))
  65     {
  66         // Replace absolute pointer addresses in the output by relative offsets.
  67         ASSERT(Level >= 1 && Level <= 2);
  68         MarshallDownStructuresArray(pMonitorAligned, *pcReturned, pMonitorInfoMarshalling[Level]->pInfo, pMonitorInfoMarshalling[Level]->cbStructureSize, TRUE);
  69     }
  70     else
  71     {
  72         dwErrorCode = GetLastError();
  73     }
  74
  75     RpcRevertToSelf();
  76     UndoAlignRpcPtr(pMonitor, pMonitorAligned, cbBuf, pcbNeeded);
  77
  78     return dwErrorCode;
  79 }