482 lines
16 KiB
C++
482 lines
16 KiB
C++
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/******************************************************************
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PrintSys.CPP -- WMI provider class implementation
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Generated by Microsoft WMI Code Generation Engine
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TO DO: - See individual function headers
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- When linking, make sure you link to framedyd.lib &
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msvcrtd.lib (debug) or framedyn.lib & msvcrt.lib (retail).
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Description:
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******************************************************************/
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#include "pchealth.h"
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#include "PrintSys.h"
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/////////////////////////////////////////////////////////////////////////////
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// tracing stuff
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#ifdef THIS_FILE
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#undef THIS_FILE
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#endif
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static char __szTraceSourceFile[] = __FILE__;
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#define THIS_FILE __szTraceSourceFile
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#define TRACE_ID DCID_PRINTERDRIVER
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/////////////////////////////////////////////////////////////////////////////
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// initialization
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CPrintSys MyPrintSysSet (PROVIDER_NAME_PRINTSYS, PCH_NAMESPACE) ;
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/////////////////////////////////////////////////////////////////////////////
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// Property names
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const static WCHAR *c_wszGenDrv = L"GenDrv";
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const static WCHAR *c_wszName = L"Name";
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const static WCHAR *c_wszPath = L"Path";
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const static WCHAR *c_wszUniDrv = L"UniDrv";
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const static WCHAR *c_wszUsePrintMgrSpooling = L"UsePrintMgrSpooling";
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//////////////////////////////////////////////////////////////////////////////
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// construction / destruction
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// ***************************************************************************
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CPrintSys::CPrintSys (LPCWSTR lpwszName, LPCWSTR lpwszNameSpace ) :
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Provider(lpwszName, lpwszNameSpace)
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{
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m_pParamOut = NULL;
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m_pCurrent = NULL;
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m_pParamIn = NULL;
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m_lFlags = 0;
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}
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// ***************************************************************************
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CPrintSys::~CPrintSys()
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{
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}
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//////////////////////////////////////////////////////////////////////////////
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// exposed methods
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// *****************************************************************************
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HRESULT CPrintSys::EnumerateInstances(MethodContext *pMethodContext, long lFlags)
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{
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TraceFunctEnter("CPrintSys::EnumerateInstances");
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HRESULT hr = WBEM_S_NO_ERROR;
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// Create a new instance of PCH_Printer Class based on the passed-in MethodContext
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CInstancePtr pPrintSysInst(CreateNewInstance(pMethodContext), false);
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hr = this->GetObject(pPrintSysInst, 0);
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TraceFunctLeave();
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return hr;
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}
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// *****************************************************************************
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HRESULT CPrintSys::ExecMethod (const CInstance& Instance,
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const BSTR bstrMethodName,
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CInstance *pInParams, CInstance *pOutParams,
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long lFlags)
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{
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return WBEM_E_PROVIDER_NOT_CAPABLE;
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}
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// *****************************************************************************
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HRESULT CPrintSys::GetObject(CInstance* pInstance, long lFlags)
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{
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TraceFunctEnter("CPrintSys::GetObject");
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HRESULT hr = WBEM_S_NO_ERROR;
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// Objects
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IWbemClassObjectPtr pFileObj = NULL;
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// Variants
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CComVariant varValue;
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CComVariant varNotAvail = L"Not Available";
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// Strings
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CComBSTR bstrDriverWithPath;
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CComBSTR bstrDetails;
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CComBSTR bstrVersion = L"Version";
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CComBSTR bstrFileSize = L"FileSize";
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CComBSTR bstrModifiedDate = L"LastModified";
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LPCTSTR lpctstrUniDriver = _T("unidrv.dll");
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LPCTSTR lpctstrGenDriver = _T("gendrv.dll");
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LPCTSTR lpctstrWindows = _T("Windows");
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LPCTSTR lpctstrDevice = _T("Device");
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LPCTSTR lpctstrNoUniDrv = _T("(unidrv.dll) = NotInstalled");
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LPCTSTR lpctstrNoGenDrv = _T("(gendrv.dll) = NotInstalled");
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LPCTSTR lpctstrPrintersHive = _T("System\\CurrentControlSet\\Control\\Print\\Printers");
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LPCTSTR lpctstrYes = _T("yes");
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LPCTSTR lpctstrAttributes = _T("Attributes");
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LPCTSTR lpctstrSpooler = _T("Spooler");
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TCHAR tchBuffer[MAX_PATH + 1];
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TCHAR tchPrinterKeyName[MAX_PATH + 1];
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TCHAR *ptchToken;
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// Booleans
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BOOL fDriverFound = FALSE;
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BOOL fAttribFound = FALSE;
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// DWORDs
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DWORD dwSize;
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DWORD dwIndex;
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DWORD dwType;
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// Return Values;
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ULONG ulPrinterAttribs;
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LONG lRegRetVal;
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struct tm tm;
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WBEMTime wbemtime;
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HKEY hkeyPrinter = NULL;
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HKEY hkeyPrinters = NULL;
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FILETIME ft;
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// *** Set the properties associated with the default printer
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// In "win.ini" file under "Windows" section "Device" represents the default printer
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if(GetProfileString(lpctstrWindows, lpctstrDevice, "\0", tchBuffer, MAX_PATH) > 1)
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{
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// The Above GetProfileString returns "printerName", "PrinterDriver"
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// and "PrinterPath" seperated by commas. Ignore "PrinterDriver"
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// and use the other two to set the properties.
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ptchToken = _tcstok(tchBuffer, _T(","));
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if(ptchToken != NULL)
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{
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// ** name (token 1)
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varValue = ptchToken;
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if (pInstance->SetVariant(c_wszName, varValue) == FALSE)
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ErrorTrace(TRACE_ID, "SetVariant on Name failed.");
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// ** path (token 3)
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ptchToken = _tcstok(NULL, _T(","));
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if(ptchToken != NULL)
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{
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// gotta skip the 2nd token cuz it's the printer dirver & we
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// don't give a rat's patoshki about it at this moment...
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ptchToken = _tcstok(NULL, _T(","));
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if(ptchToken != NULL)
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{
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varValue = ptchToken;
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if (pInstance->SetVariant(c_wszPath, varValue) == FALSE)
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ErrorTrace(TRACE_ID, "Set Variant on Path failed.");
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}
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}
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}
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}
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// couldn't fetch the properties of the default printer, so shove in some
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// default values...
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else
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{
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// set Name to "Not Available"
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if (pInstance->SetVariant(c_wszName, varNotAvail) == FALSE)
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ErrorTrace(TRACE_ID, "Se Variant on Name failed.");
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// set Path to "Not Available"
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if (pInstance->SetVariant(c_wszPath, varValue) == FALSE)
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ErrorTrace(TRACE_ID, "Set Variant on Path failed.");
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}
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// *** Set the properties associated with using print manager spooling
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// First try to get the Spooling information from the registry which is
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// available if there are any installed printers
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// HKLM\system\CCS\Control\Print\Printers
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lRegRetVal = RegOpenKeyEx(HKEY_LOCAL_MACHINE, lpctstrPrintersHive, 0, KEY_READ, &hkeyPrinters);
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if(lRegRetVal == ERROR_SUCCESS)
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{
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// Enumerate the keys under this hive.
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ZeroMemory(&ft, sizeof(ft));
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dwIndex = 0;
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dwSize = MAX_PATH;
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lRegRetVal = RegEnumKeyEx(hkeyPrinters, dwIndex, tchPrinterKeyName, &dwSize, NULL, NULL, NULL, &ft);
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if(lRegRetVal == ERROR_SUCCESS)
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{
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// There is atleast one printer installed.
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lRegRetVal = RegOpenKeyEx(hkeyPrinters, tchPrinterKeyName, 0, KEY_READ, &hkeyPrinter);
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if(lRegRetVal == ERROR_SUCCESS)
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{
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// Opened the first printer key
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// Query for , regname "Attributes"
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dwSize = sizeof(DWORD);
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lRegRetVal = RegQueryValueEx(hkeyPrinter, lpctstrAttributes, NULL, &dwType, (LPBYTE)&ulPrinterAttribs, &dwSize);
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if(lRegRetVal == ERROR_SUCCESS)
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{
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// if the PRINTER_ATTRIBUTE_DIRECT bit in ulPrinterAttribs
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// is set, then we have spooling...
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if((ulPrinterAttribs & PRINTER_ATTRIBUTE_DIRECT) != 0)
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varValue = VARIANT_FALSE;
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else
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varValue = VARIANT_TRUE;
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if (ulPrinterAttribs > 0)
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fAttribFound = TRUE;
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}
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}
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}
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}
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if (hkeyPrinter != NULL)
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{
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RegCloseKey(hkeyPrinter);
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hkeyPrinter = NULL;
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}
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if (hkeyPrinters != NULL)
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{
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RegCloseKey(hkeyPrinters);
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hkeyPrinters = NULL;
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}
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if(fAttribFound == FALSE)
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{
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// If not get the "spooler" key value from the win.ini file. If the entry is not present default to "yes".
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if(GetProfileString(lpctstrWindows, lpctstrSpooler, _T("yes"), tchBuffer, MAX_PATH) > 1)
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{
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// if it's yes, then we have spooling...
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if(_tcsicmp(tchBuffer, lpctstrYes) == 0)
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varValue = VARIANT_TRUE;
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else
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varValue = VARIANT_FALSE;
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}
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}
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// Set the Spooling Property.
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if (pInstance->SetVariant(c_wszUsePrintMgrSpooling, varValue) == FALSE)
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ErrorTrace(TRACE_ID, "SetVariant on usePrintManagerSpooling failed.");
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// *** Set the properties associated with using print manager spooling
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// Get the complete path for unidrv.dll
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fDriverFound = getCompletePath(lpctstrUniDriver, bstrDriverWithPath);
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if(fDriverFound)
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{
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// Need to use GetCIMDataFile to get the unidriver properties
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if (SUCCEEDED(GetCIMDataFile(bstrDriverWithPath, &pFileObj)))
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{
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bstrDetails.Empty();
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// Get the Version & append it to the value string...
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varValue.Clear();
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hr = pFileObj->Get(bstrVersion, 0, &varValue, NULL, NULL);
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if(SUCCEEDED(hr))
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{
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if(varValue.vt == VT_BSTR)
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{
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bstrDetails.Append(varValue.bstrVal);
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bstrDetails.Append(_T(" "));
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}
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}
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// Get the FileSize & append it to the value string...
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varValue.Clear();
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hr = pFileObj->Get(bstrFileSize, 0, &varValue, NULL, NULL);
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if(SUCCEEDED(hr))
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{
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if(varValue.vt == VT_BSTR)
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{
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bstrDetails.Append(varValue.bstrVal);
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bstrDetails.Append(_T(" "));
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}
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}
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// Get the date & time & append them to the value string...
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varValue.Clear();
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hr = pFileObj->Get(bstrModifiedDate, 0, &varValue, NULL, NULL);
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if(SUCCEEDED(hr))
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{
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if(varValue.vt == VT_BSTR)
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{
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WCHAR *pwsz;
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// there is a slight problem when WMI returns to us a
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// time that has a '*' in it. The WBEMTime class plain
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// refuses to deal with it. So change '*'s to '0's...
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for (pwsz = varValue.bstrVal; *pwsz != L'\0'; pwsz++)
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{
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if (*pwsz == L'*')
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*pwsz = L'0';
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}
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wbemtime = varValue.bstrVal;
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if(wbemtime.GetStructtm(&tm))
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{
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varValue = asctime(&tm);
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bstrDetails.Append(varValue.bstrVal);
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}
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}
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}
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// set the value
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varValue.vt = VT_BSTR;
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varValue.bstrVal = bstrDetails.Detach();
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}
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// Since I don't seem to have unindrv.dll installed, I can't verify
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// this, but going by the other WMI providers, GetObject doesn't seem
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// to like it when u release objects fetched by it. So, I am not
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// going to release it.
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if (pFileObj != NULL)
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{
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// pFileObj->Release();
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pFileObj = NULL;
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}
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}
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// the unidriver dll isn't present. Use a default value
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else
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{
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varValue.Clear();
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varValue = lpctstrNoUniDrv;
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}
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// set the property
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if (pInstance->SetVariant(c_wszUniDrv, varValue) == FALSE)
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ErrorTrace(TRACE_ID, "SetVariant on UniDriver failed.");
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// *** Set the properties associated with using print manager spooling
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// Get the complete path for gendrv.dll
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bstrDriverWithPath.Empty();
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fDriverFound = getCompletePath(lpctstrGenDriver, bstrDriverWithPath);
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if(fDriverFound)
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{
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bstrDetails.Empty();
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// Need to use GetCIMDataFile to get the gen driver properties
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if(SUCCEEDED(GetCIMDataFile(bstrDriverWithPath, &pFileObj)))
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{
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// Get the Version & append it to the value string...
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varValue.Clear();
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hr = pFileObj->Get(bstrVersion, 0, &varValue, NULL, NULL);
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if(SUCCEEDED(hr))
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{
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if(varValue.vt == VT_BSTR)
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{
|
||
|
|
bstrDetails.Append(varValue.bstrVal);
|
||
|
|
bstrDetails.Append(_T(" "));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Get the FileSize & append it to the value string...
|
||
|
|
varValue.Clear();
|
||
|
|
hr = pFileObj->Get(bstrFileSize, 0, &varValue, NULL, NULL);
|
||
|
|
if(SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
if(varValue.vt == VT_BSTR)
|
||
|
|
{
|
||
|
|
bstrDetails.Append(varValue.bstrVal);
|
||
|
|
bstrDetails.Append(_T(" "));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Get the date & time & append them to the value string...
|
||
|
|
varValue.Clear();
|
||
|
|
hr = pFileObj->Get(bstrModifiedDate, 0, &varValue, NULL, NULL);
|
||
|
|
if(SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
if(varValue.vt == VT_BSTR)
|
||
|
|
{
|
||
|
|
WCHAR *pwsz;
|
||
|
|
|
||
|
|
// there is a slight problem when WMI returns to us a
|
||
|
|
// time that has a '*' in it. The WBEMTime class plain
|
||
|
|
// refuses to deal with it. So change '*'s to '0's...
|
||
|
|
for (pwsz = varValue.bstrVal; *pwsz != L'\0'; pwsz++)
|
||
|
|
{
|
||
|
|
if (*pwsz == L'*')
|
||
|
|
*pwsz = L'0';
|
||
|
|
}
|
||
|
|
|
||
|
|
wbemtime = varValue.bstrVal;
|
||
|
|
if(wbemtime.GetStructtm(&tm))
|
||
|
|
{
|
||
|
|
varValue = asctime(&tm);
|
||
|
|
bstrDetails.Append(varValue.bstrVal);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// set the value
|
||
|
|
varValue.vt = VT_BSTR;
|
||
|
|
varValue.bstrVal = bstrDetails.Detach();
|
||
|
|
}
|
||
|
|
|
||
|
|
// Since I don't seem to have gendrv.dll installed, I can't verify
|
||
|
|
// this, but going by the other WMI providers, GetObject doesn't seem
|
||
|
|
// to like it when u release objects fetched by it. So, I am not
|
||
|
|
// going to release it.
|
||
|
|
if (pFileObj != NULL)
|
||
|
|
{
|
||
|
|
// pFileObj->Release();
|
||
|
|
pFileObj = NULL;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// the gen driver dll is not present...
|
||
|
|
else
|
||
|
|
{
|
||
|
|
varValue.Clear();
|
||
|
|
varValue = lpctstrNoGenDrv;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (pInstance->SetVariant(c_wszGenDrv, varValue) == FALSE)
|
||
|
|
ErrorTrace(TRACE_ID, "SetVariant on GenDrv failed.");
|
||
|
|
|
||
|
|
|
||
|
|
// WOOHOO!! We can commit now
|
||
|
|
hr = pInstance->Commit();
|
||
|
|
if(FAILED(hr))
|
||
|
|
ErrorTrace(TRACE_ID, "Error on commiting!");
|
||
|
|
|
||
|
|
TraceFunctLeave();
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
// *****************************************************************************
|
||
|
|
HRESULT CPrintSys::ExecQuery(MethodContext *pMethodContext,
|
||
|
|
CFrameworkQuery& Query, long lFlags)
|
||
|
|
{
|
||
|
|
return WBEM_E_PROVIDER_NOT_CAPABLE;
|
||
|
|
}
|
||
|
|
|
||
|
|
// *****************************************************************************
|
||
|
|
HRESULT CPrintSys::PutInstance(const CInstance& Instance, long lFlags)
|
||
|
|
{
|
||
|
|
return WBEM_E_PROVIDER_NOT_CAPABLE;
|
||
|
|
}
|
||
|
|
|
||
|
|
// *****************************************************************************
|
||
|
|
HRESULT CPrintSys::DeleteInstance(const CInstance& Instance, long lFlags)
|
||
|
|
{
|
||
|
|
return WBEM_E_PROVIDER_NOT_CAPABLE;
|
||
|
|
}
|