Source code of Windows XP (NT5)
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/*****************************************************************************\
* MODULE: custom.cpp
*
* PURPOSE: OEM Customization support
*
* Copyright (C) 1997-1998 Microsoft Corporation
*
* History:
*
* 10/10/97 babakj Created
*
\*****************************************************************************/
#include "stdafx.h"
#include "oleprn.h"
#include "asphelp.h"
TCHAR cszEverestVirRoot[] = TEXT("\\web\\printers");
TCHAR cszManufacturerKey[] = TEXT("PnPData");
TCHAR cszManufacturerValue[] = TEXT("Manufacturer");
#define DEFAULTASPPAGE TEXT("Page1.asp")
//
// Caller allocs memory for pMonitorname.
//
// pMonitorName untouched if failure.
//
BOOL Casphelp::GetMonitorName( LPTSTR pMonitorName )
{
PPORT_INFO_2 pPortInfo2 = NULL;
BOOL fRet = FALSE;
DWORD dwNeeded, dwReturned;
// Now get all ports to find a match from.
LPTSTR lpszServerName = m_pInfo2 ? m_pInfo2->pServerName : NULL;
if( EnumPorts(lpszServerName, 2, NULL, 0, &dwNeeded, &dwReturned) ||
(GetLastError() != ERROR_INSUFFICIENT_BUFFER) ||
(NULL == (pPortInfo2 = (PPORT_INFO_2)LocalAlloc( LPTR, dwNeeded))) ||
(!EnumPorts( lpszServerName , 2, (LPBYTE)pPortInfo2, dwNeeded, &dwNeeded, &dwReturned ))) {
LocalFree( pPortInfo2 );
SetAspHelpScriptingError(GetLastError());
return FALSE;
}
for( DWORD i=0; i < dwReturned; i++ )
if( !lstrcmpi( pPortInfo2[i].pPortName, m_pInfo2->pPortName )) {
// Some monitors (like LPRMON) do not fill in pMonitorName, so we ignore them.
if( pPortInfo2[i].pMonitorName ) {
lstrcpy( pMonitorName, pPortInfo2[i].pMonitorName );
fRet = TRUE;
}
break;
}
LocalFree( pPortInfo2 );
return fRet;
}
//
// Get the model name (aka driver name) of the printer
//
// Caller allocs memory for pModel.
//
BOOL Casphelp::GetModel( LPTSTR pModel )
{
if (!m_pInfo2)
{
Error(IDS_NO_PRINTER_OPEN, IID_Iasphelp, E_HANDLE);
return FALSE;
}
lstrcpy( pModel, m_pInfo2->pDriverName );
return TRUE;
}
//
// Get the Manufacturer name (aka driver name) of the printer
//
// Caller allocs memory for pManufacturer. Assumed to be the size of MAX_PATH * sizeof(TCHAR)
//
BOOL Casphelp::GetManufacturer( LPTSTR pManufacturer )
{
if (!m_hPrinter)
{
Error(IDS_NO_PRINTER_OPEN, IID_Iasphelp, E_HANDLE);
return FALSE;
}
DWORD dwNeeded, dwType, dwRet;
dwRet = GetPrinterDataEx( m_hPrinter,
cszManufacturerKey,
cszManufacturerValue,
&dwType,
(LPBYTE) pManufacturer,
sizeof(TCHAR) * MAX_PATH,
&dwNeeded);
if (dwRet != ERROR_SUCCESS)
{
SetAspHelpScriptingError(dwRet);
return FALSE;
}
else
return TRUE;
}
//
// Returns:
// bDeviceASP == TRUE: The relative path to the ASP file if the printer has INF-based ASP support.
// bDeviceASP == FALSE: The relative path to the ASP file if the printer has per-manufacturer ASP support (i.e.
// ASP support just based on its manufacturer name, rather than per model.
//
// Caller allocs memory for pAspPage.
//
// - pASPPage untouched if failure.
//
BOOL Casphelp::IsCustomASP( BOOL bDeviceASP, LPTSTR pASPPage )
{
TCHAR szRelPath [MAX_PATH]; // Path relative to Winnt\web\printers, e.g. HP\LJ4si\page1.asp or .\hp (witout the .\)
TCHAR szFinalPath [MAX_PATH]; // Absolute path for szRelPath.
int nLen;
// The Printer virtual dir assumed to be winnt\web\printers. Construct it.
if( !GetWindowsDirectory( szFinalPath, COUNTOF(szFinalPath))) // Return value is the length in chars w/o null char.
return FALSE;
// Append web\printers to the end
// Fix the use of c-runtime calls later (T version, not W). Yet again, ASPHELP interface is server-side only.
nLen = wcslen(szFinalPath); // the null char not counted
wsprintf( &szFinalPath[nLen], L"%ws", cszEverestVirRoot );
// Prepare the relative path.
if( !GetManufacturer( szRelPath ))
return FALSE;
if( bDeviceASP ) {
// Add a '\' before we add the model name
nLen = wcslen(szRelPath); // the null char not counted
wsprintf( &szRelPath[nLen], L"\\" );
// Append the Model name
nLen = wcslen(szRelPath); // the null char not counted
if( !GetModel( &szRelPath[nLen] ))
return FALSE;
}
// Append "page1.asp" to the end.
nLen = wcslen(szRelPath); // the null char not counted
wsprintf( &szRelPath[nLen], L"\\%ws", DEFAULTASPPAGE );
// At this point, szRelPath should be something like HP\LJ4si\page1.asp or HP\page1.asp.
// Make an absolute path by concatanating szRelPath and szFinalPath
nLen = wcslen(szFinalPath); // the null char not counted
wsprintf( &szFinalPath[nLen], L"\\%ws", szRelPath );
// See if the file exists.
if( (DWORD)(-1) == GetFileAttributes( szFinalPath ))
return FALSE; // The file does not exist
else {
lstrcpy( pASPPage, szRelPath ); // The file exists, so the printer has per device or per manufacturer customization.
return TRUE;
}
}
//
// Returns: The relative path to the default ASP file, i.e. page1.asp, if the printer supports RFC 1759.
//
// Caller allocs memory for pAspPage.
//
// pASPPage untouched if failure.
//
BOOL Casphelp::IsSnmpSupportedASP( LPTSTR pASPPage )
{
BOOL fIsSNMPSupported;
HRESULT hr;
hr = get_SNMPSupported( &fIsSNMPSupported );
if( FAILED( hr ))
return FALSE;
if( fIsSNMPSupported )
lstrcpy( pASPPage, DEFAULTASPPAGE );
else
*pASPPage = 0; // Return an empty string. Not an error case.
return TRUE;
}
//
// Caller allocs memory for pAspPage.
//
// pASPPage untouched if failure.
//
BOOL Casphelp::GetASPPageForUniversalMonitor( LPTSTR pASPPage )
{
if( !IsCustomASP( TRUE, pASPPage )) // Check for device ASP
if( !IsCustomASP( FALSE, pASPPage )) // Check for manufacturer ASP
if( !IsSnmpSupportedASP( pASPPage )) // Check for SNMP support
return FALSE;
return TRUE;
}
//
// Caller allocs memory for pAspPage.
//
// pASPPage untouched if failure.
//
BOOL Casphelp::GetASPPageForOtherMonitors( LPTSTR pMonitorName, LPTSTR pASPPage )
{
TCHAR szRelPath [MAX_PATH]; // Path relative to Winnt\web\printers, e.g. LexmarkMon\page1.asp
TCHAR szFinalPath [MAX_PATH]; // Absolute path for szRelPath.
int nLen;
// The Printer virtual dir assumed to be winnt\web\printers. Construct it.
if( !GetWindowsDirectory( szFinalPath, COUNTOF(szFinalPath))) // Return value is the length in chars w/o null char.
return FALSE;
// Append web\printers to the end
// Fix the use of c-runtime calls later (T version, not W). Yet again, ASPHELP interface is server-side only.
nLen = wcslen(szFinalPath); // the null char not counted
wsprintf( &szFinalPath[nLen], L"%ws", cszEverestVirRoot );
// Prepare the relative path.
lstrcpy( szRelPath, pMonitorName );
// Append "page1.asp" to the end.
nLen = wcslen(szRelPath); // the null char not counted
wsprintf( &szRelPath[nLen], L"\\%ws", DEFAULTASPPAGE );
// At this point, szRelPath should be something like LexmarkMon\page1.asp
// Make an absolute path by concatanating szRelPath and szFinalPath
nLen = wcslen(szFinalPath); // the null char not counted
wsprintf( &szFinalPath[nLen], L"\\%ws", szRelPath );
// See if the file exists.
if( (DWORD)(-1) == GetFileAttributes( szFinalPath ))
return FALSE; // The file does not exist
else {
lstrcpy( pASPPage, szRelPath ); // The file exists, so the printer has per device or per manufacturer customization.
return TRUE;
}
}
//
// Returns a buffer containing the relative path of the ASP, or an empty string.
//
// Caller allocs memory for pAspPage.
//
// pASPPage untouched if failure.
//
BOOL Casphelp::GetASPPage( LPTSTR pASPPage )
{
if( m_bTCPMonSupported ) {
// The printer is using the Universal monitor
if( !GetASPPageForUniversalMonitor( pASPPage ))
return FALSE;
}
else {
TCHAR szMonitorName[MAX_PATH];
if (!GetMonitorName(szMonitorName))
return FALSE;
// The printer is NOT using the Universal monitor
if( !GetASPPageForOtherMonitors( szMonitorName, pASPPage ))
return FALSE;
}
return TRUE;
}
// STDMETHODIMP means "HRESULT _stdcall"
STDMETHODIMP Casphelp::get_AspPage(DWORD dwPage, BSTR * pbstrVal)
{
TCHAR szASPPage[MAX_PATH];
LPTSTR pUrl;
if (!pbstrVal)
return Error(IDS_OUT_OF_MEMORY, IID_Iasphelp, E_POINTER);
if (m_hPrinter == NULL)
return Error(IDS_NO_PRINTER_OPEN, IID_Iasphelp, E_HANDLE);
if( !GetASPPage( szASPPage ))
return Error(IDS_DATA_NOT_SUPPORTED, IID_Iasphelp, E_NOTIMPL);
// Encode the URL by replacing ' ' with %20, etc.
if (! (pUrl = EncodeString (szASPPage, TRUE)))
return Error(IDS_OUT_OF_MEMORY, IID_Iasphelp, E_POINTER);
if (!(*pbstrVal = SysAllocString( pUrl ))) {
LocalFree (pUrl);
return Error(IDS_OUT_OF_MEMORY, IID_Iasphelp, E_POINTER);
}
if (pUrl)
LocalFree (pUrl);
return S_OK;
}