761 lines
18 KiB
C++
761 lines
18 KiB
C++
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/*++
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Copyright (C) Microsoft Corporation, 1996 - 1997
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All rights reserved.
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Module Name:
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drvrver.hxx
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Abstract:
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Driver version detection header.
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Author:
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Steve Kiraly (SteveKi) 21-Jan-1996
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Revision History:
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--*/
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#include "precomp.hxx"
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#pragma hdrstop
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#include "psetup.hxx"
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#include "drvver.hxx"
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#include "splapip.h"
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#include "compinfo.hxx"
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BOOL
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bGetCurrentDriver(
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IN LPCTSTR pszServerName,
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OUT LPDWORD pdwCurrentDriver
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)
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{
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TCHAR szArch[kStrMax];
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BOOL bRetval = FALSE;
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DWORD dwVer = 0;
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//
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// Attempt to get the architecture / version from the machine.
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// First attempt to get the information from the spooler.
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//
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bRetval = bGetArchUseSpooler( pszServerName, szArch, COUNTOF( szArch ), &dwVer );
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//
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// If spooler did not respond, this may be a downlevel
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// print spooler. "Downlevel" meaning older version.
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//
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if( !bRetval )
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{
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//
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// Attempt to get the information using the remote registry calls
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// We only connect to the remote registry if a server name was passed.
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//
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if( pszServerName )
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{
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bRetval = bGetArchUseReg( pszServerName, szArch, COUNTOF( szArch ), &dwVer );
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}
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}
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//
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// Check for any retuned information.
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//
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if( bRetval )
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{
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DBGMSG( DBG_TRACE, ( "Server " TSTR " Arch " TSTR " Ver %d\n", DBGSTR(pszServerName), szArch, dwVer ) );
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//
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// Encode the architecture / version into a dword.
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//
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if( bEncodeArchVersion( szArch, dwVer, pdwCurrentDriver ) )
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{
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DBGMSG( DBG_TRACE, ( "Encoded Arch / Version %d\n", *pdwCurrentDriver ) );
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bRetval = TRUE;
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}
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else
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{
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DBGMSG( DBG_WARN, ( "Encode architecture and version failed.\n" ) );
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bRetval = FALSE;
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}
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}
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else
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{
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DBGMSG( DBG_WARN, ( "Fetching architecture and version failed.\n" ) );
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bRetval = FALSE;
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}
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return bRetval;
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}
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BOOL
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bGetArchUseSpooler(
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IN LPCTSTR pName,
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OUT LPTSTR pszArch,
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IN DWORD dwSize,
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IN OUT LPDWORD pdwVer
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)
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/*++
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Routine Description:
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Gets the specified print server the architectue and
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driver version using the spooler.
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Arguments:
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pName - pointer to print server name.
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pszArch - pointer to a buffer where to return the machine architecture string
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dwSize - Size in characters of the provided architecture string
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pdwVersion - pointer where to return the remote machine driver version.
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Return Value:
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TRUE - remote information returned, FALSE - remote information not available.
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--*/
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{
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//
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// Attempt to open print server with full access.
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//
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BOOL bReturn = FALSE;
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DWORD dwStatus = ERROR_SUCCESS;
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DWORD dwAccess = SERVER_READ;
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HANDLE hServer = NULL;
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TStatus Status;
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//
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// Open the server for read access.
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//
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Status DBGCHK = TPrinter::sOpenPrinter( pName,
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&dwAccess,
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&hServer );
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//
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// Save administrator capability flag.
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//
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if( Status == ERROR_SUCCESS ){
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//
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// Get the remote spooler's architecture type and version.
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//
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TCHAR szArch[kStrMax];
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memset( szArch, 0, sizeof( szArch ) );
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DWORD dwNeeded = 0;
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DWORD dwVer = 0;
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DWORD dwVerType = REG_DWORD;
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DWORD dwArchType = REG_SZ;
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if( dwStatus == ERROR_SUCCESS ){
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dwStatus = GetPrinterData( hServer,
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SPLREG_ARCHITECTURE,
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&dwArchType,
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(PBYTE)szArch,
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sizeof( szArch ),
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&dwNeeded );
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}
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if( dwStatus == ERROR_SUCCESS ){
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dwStatus = GetPrinterData( hServer,
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SPLREG_MAJOR_VERSION,
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&dwVerType,
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(PBYTE)&dwVer,
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sizeof( dwVer ),
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&dwNeeded );
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}
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if( dwStatus == ERROR_SUCCESS ){
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DBGMSG( DBG_TRACE, ( "GetPrinterData: Architecture " TSTR "\n" , szArch ) );
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DBGMSG( DBG_TRACE, ( "GetPrinterData: MajorVersion %d\n" , dwVer ) );
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//
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// Only success if provided buffer is big enough.
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//
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if( (DWORD)lstrlen( szArch ) < dwSize ){
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lstrcpy( pszArch, szArch );
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*pdwVer = dwVer;
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bReturn = TRUE;
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} else {
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dwStatus = ERROR_INSUFFICIENT_BUFFER;
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SetLastError( ERROR_INSUFFICIENT_BUFFER );
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bReturn = FALSE;
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}
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} else {
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DBGMSG( DBG_WARN, ( "GetPrinterData failed with %d\n", dwStatus ) );
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}
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}
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if( hServer ){
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ClosePrinter( hServer );
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}
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return bReturn;
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}
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BOOL
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bGetArchUseReg(
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IN LPCTSTR pName,
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OUT LPTSTR pszArch,
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IN DWORD dwSize,
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OUT LPDWORD pdwVer
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)
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/*++
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Routine Description:
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Gets the specified print server the architectue and
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driver version using the remote registry.
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Arguments:
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pName - pointer to print server name.
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pszArch - pointer to a buffer where to return the machine architecture string
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dwSize - Size in characters of the provided architecture string
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pdwVersion - pointer where to return the remote machine driver version.
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Return Value:
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TRUE - remote information returned, FALSE - remote information not available.
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--*/
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{
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BOOL bStatus = TRUE;
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DWORD dwDriverEnvId = 0;
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DWORD dwArch = 0;
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TString strDriverEnv;
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//
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// Create the computer information.
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//
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CComputerInfo CompInfo ( pName );
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//
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// Get the information from the remote machine.
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//
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if( !CompInfo.GetInfo() ){
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DBGMSG( DBG_WARN, ( "CComputerInfo.GetInfo failed with %d\n", GetLastError() ) );
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return FALSE;
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}
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//
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// If this is a windows 95 machine set resource string
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// id and set the version to zero.
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//
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if( CompInfo.IsRunningWindows95() ){
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dwDriverEnvId = IDS_ENVIRONMENT_WIN95;
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*pdwVer = 0;
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} else {
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//
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// Convert processor type to spooler defined environment string.
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//
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dwArch = CompInfo.GetProcessorArchitecture();
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*pdwVer = CompInfo.GetSpoolerVersion();
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struct ArchMap {
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DWORD dwArch;
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DWORD dwVersion;
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UINT uId;
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};
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//
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// disable MIPS & PPC drivers, since they are not supported from setup
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//
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static ArchMap aArchMap [] = {
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{ PROCESSOR_ARCHITECTURE_INTEL, 0, IDS_ENVIRONMENT_WIN95 },
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//{ PROCESSOR_ARCHITECTURE_MIPS, 0, IDS_ENVIRONMENT_MIPS },
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{ PROCESSOR_ARCHITECTURE_ALPHA, 0, IDS_ENVIRONMENT_ALPHA },
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{ PROCESSOR_ARCHITECTURE_INTEL, 0, IDS_ENVIRONMENT_X86 },
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//{ PROCESSOR_ARCHITECTURE_MIPS, 1, IDS_ENVIRONMENT_MIPS },
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{ PROCESSOR_ARCHITECTURE_ALPHA, 1, IDS_ENVIRONMENT_ALPHA },
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//{ PROCESSOR_ARCHITECTURE_PPC, 1, IDS_ENVIRONMENT_PPC },
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{ PROCESSOR_ARCHITECTURE_INTEL, 1, IDS_ENVIRONMENT_X86 },
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//{ PROCESSOR_ARCHITECTURE_MIPS, 2, IDS_ENVIRONMENT_MIPS },
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{ PROCESSOR_ARCHITECTURE_ALPHA, 2, IDS_ENVIRONMENT_ALPHA },
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//{ PROCESSOR_ARCHITECTURE_PPC, 2, IDS_ENVIRONMENT_PPC },
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{ PROCESSOR_ARCHITECTURE_INTEL, 2, IDS_ENVIRONMENT_X86 },
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{ PROCESSOR_ARCHITECTURE_ALPHA, 3, IDS_ENVIRONMENT_ALPHA },
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{ PROCESSOR_ARCHITECTURE_INTEL, 3, IDS_ENVIRONMENT_X86 }};
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bStatus = FALSE;
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for( UINT i = 0; i < COUNTOF( aArchMap ); i++ ){
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//
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// If a version and architecture match.
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//
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if( aArchMap[i].dwVersion == *pdwVer &&
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aArchMap[i].dwArch == dwArch ){
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dwDriverEnvId = aArchMap[i].uId;
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bStatus = TRUE;
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break;
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}
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}
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}
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//
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// If Environment ID and version found.
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//
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if( !bStatus ){
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DBGMSG( DBG_WARN, ( "Failed to find architecture in map.\n" ) );
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return FALSE;
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}
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//
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// Load the environment string from our resource file.
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//
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if( !strDriverEnv.bLoadString( ghInst, dwDriverEnvId ) ){
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DBGMSG( DBG_WARN, ( "Failed to load driver name string resource with %d\n", GetLastError() ) );
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return FALSE;
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}
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//
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// Check the provided buffer is large enough.
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//
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if( (DWORD)lstrlen( strDriverEnv ) >= ( dwSize - 1 ) ){
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DBGMSG( DBG_WARN, ( "Insuffcient buffer provided to bGetArchUseReg.\n" ) );
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return FALSE;
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}
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//
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// Copy back environment string to provided buffer.
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//
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lstrcpy( pszArch, strDriverEnv );
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DBGMSG( DBG_TRACE, ( "CComputerInfo.GetInfo: Architecture " TSTR "\n" , pszArch ) );
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DBGMSG( DBG_TRACE, ( "CComputerInfo.GetInfo: MajorVersion %d\n" , *pdwVer ) );
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return TRUE;
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}
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BOOL
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bEncodeArchVersion(
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IN LPCTSTR pszArch,
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IN DWORD dwVer,
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OUT LPDWORD pdwVal
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)
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/*++
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Routine Description:
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Encode the Architecture and version into a DWORD.
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Arguments:
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pszArch - pointer to machine spooler defined environment string
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dwVer - machines driver version
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pdwVal - pointer where to store the encoded value
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Return Value:
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TRUE - remote information returned, FALSE - remote information not available.
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--*/
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{
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struct ArchMap {
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UINT uArchId;
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DWORD dwVersion;
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DWORD dwPUIVer;
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DWORD dwPUIArch;
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};
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//
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// disable MIPS & PPC drivers, since they are not supported from setup
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//
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static ArchMap aArchMap [] = {
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{ IDS_ENVIRONMENT_ALPHA, 0, VERSION_0, ARCH_ALPHA },
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{ IDS_ENVIRONMENT_X86, 0, VERSION_0, ARCH_X86 },
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//{ IDS_ENVIRONMENT_MIPS, 0, VERSION_0, ARCH_MIPS },
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{ IDS_ENVIRONMENT_WIN95, 0, VERSION_0, ARCH_WIN95 },
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{ IDS_ENVIRONMENT_ALPHA, 1, VERSION_1, ARCH_ALPHA },
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{ IDS_ENVIRONMENT_X86, 1, VERSION_1, ARCH_X86 },
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//{ IDS_ENVIRONMENT_MIPS, 1, VERSION_1, ARCH_MIPS },
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//{ IDS_ENVIRONMENT_PPC, 1, VERSION_1, ARCH_PPC },
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{ IDS_ENVIRONMENT_ALPHA, 2, VERSION_2, ARCH_ALPHA },
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{ IDS_ENVIRONMENT_X86, 2, VERSION_2, ARCH_X86 },
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//{ IDS_ENVIRONMENT_MIPS, 2, VERSION_2, ARCH_MIPS },
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//{ IDS_ENVIRONMENT_PPC, 2, VERSION_2, ARCH_PPC },
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{ IDS_ENVIRONMENT_ALPHA, 3, VERSION_3, ARCH_ALPHA },
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{ IDS_ENVIRONMENT_X86, 3, VERSION_3, ARCH_X86 },
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{ IDS_ENVIRONMENT_IA64, 3, VERSION_3, ARCH_IA64 }};
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BOOL bRetval = FALSE;
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|
|
TString strDriverEnv;
|
||
|
|
for( UINT i = 0; i < COUNTOF( aArchMap ); i++ ){
|
||
|
|
|
||
|
|
//
|
||
|
|
// Attempt to load the driver environment string from our resource file.
|
||
|
|
//
|
||
|
|
if( !strDriverEnv.bLoadString( ghInst, aArchMap[i].uArchId ) ){
|
||
|
|
DBGMSG( DBG_WARN, ( "Error loading environment string from resource.\n" ) );
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// If the environment and version match, then encode the environment
|
||
|
|
// and version into a single dword.
|
||
|
|
//
|
||
|
|
if( !lstrcmpi( pszArch, (LPCTSTR)strDriverEnv ) &&
|
||
|
|
aArchMap[i].dwVersion == dwVer ){
|
||
|
|
|
||
|
|
*pdwVal = aArchMap[i].dwPUIVer + aArchMap[i].dwPUIArch;
|
||
|
|
bRetval = TRUE;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return bRetval;
|
||
|
|
}
|
||
|
|
|
||
|
|
BOOL
|
||
|
|
bGetDriverEnv(
|
||
|
|
IN DWORD dwDriverVersion,
|
||
|
|
OUT TString &strDriverEnv
|
||
|
|
)
|
||
|
|
/*++
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
|
||
|
|
Convert the Encoded the Architecture and version to a
|
||
|
|
spooler defined environment string.
|
||
|
|
|
||
|
|
Arguments:
|
||
|
|
|
||
|
|
dwDriverVersion - encoded driver version
|
||
|
|
strDriverEnv - string where to return the environment string.
|
||
|
|
|
||
|
|
Return Value:
|
||
|
|
|
||
|
|
TRUE - environment string found, FALSE - error occured.
|
||
|
|
|
||
|
|
--*/
|
||
|
|
{
|
||
|
|
struct ArchMap {
|
||
|
|
DWORD dwDrvVer;
|
||
|
|
UINT uArchId;
|
||
|
|
};
|
||
|
|
|
||
|
|
//
|
||
|
|
// disable MIPS & PPC drivers, since they are not supported from setup
|
||
|
|
//
|
||
|
|
static ArchMap aArchMap [] = {
|
||
|
|
{ DRIVER_IA64_3, IDS_ENVIRONMENT_IA64 },
|
||
|
|
{ DRIVER_X86_3, IDS_ENVIRONMENT_X86 },
|
||
|
|
{ DRIVER_ALPHA_3, IDS_ENVIRONMENT_ALPHA },
|
||
|
|
{ DRIVER_X86_2, IDS_ENVIRONMENT_X86 },
|
||
|
|
//{ DRIVER_MIPS_2, IDS_ENVIRONMENT_MIPS },
|
||
|
|
{ DRIVER_ALPHA_2, IDS_ENVIRONMENT_ALPHA },
|
||
|
|
//{ DRIVER_PPC_2, IDS_ENVIRONMENT_PPC },
|
||
|
|
{ DRIVER_X86_1, IDS_ENVIRONMENT_X86 },
|
||
|
|
//{ DRIVER_MIPS_1, IDS_ENVIRONMENT_MIPS },
|
||
|
|
{ DRIVER_ALPHA_1, IDS_ENVIRONMENT_ALPHA },
|
||
|
|
//{ DRIVER_PPC_1, IDS_ENVIRONMENT_PPC },
|
||
|
|
{ DRIVER_X86_0, IDS_ENVIRONMENT_X86 },
|
||
|
|
//{ DRIVER_MIPS_0, IDS_ENVIRONMENT_MIPS },
|
||
|
|
{ DRIVER_ALPHA_0, IDS_ENVIRONMENT_ALPHA },
|
||
|
|
{ DRIVER_WIN95, IDS_ENVIRONMENT_WIN95 }};
|
||
|
|
|
||
|
|
UINT uId = 0;
|
||
|
|
BOOL bRetval = FALSE;
|
||
|
|
for( UINT i = 0; i < COUNTOF( aArchMap ); i++ ){
|
||
|
|
|
||
|
|
if( aArchMap[i].dwDrvVer == dwDriverVersion ){
|
||
|
|
uId = aArchMap[i].uArchId;
|
||
|
|
bRetval = TRUE;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if( bRetval ){
|
||
|
|
|
||
|
|
//
|
||
|
|
// Attempt to load the driver environment string from our resource file.
|
||
|
|
//
|
||
|
|
if( !strDriverEnv.bLoadString( ghInst, uId ) ){
|
||
|
|
DBGMSG( DBG_WARN, ( "Error loading environment string from resource.\n" ) );
|
||
|
|
bRetval = FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
} else {
|
||
|
|
|
||
|
|
DBGMSG( DBG_WARN, ( "Driver / Version not found, bGetDriverEnv.\n" ) );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
return bRetval;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
PLATFORM
|
||
|
|
GetDriverPlatform(
|
||
|
|
IN DWORD dwDriver
|
||
|
|
)
|
||
|
|
/*++
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
|
||
|
|
Return the driver platform value (used by splsetup apis).
|
||
|
|
|
||
|
|
Arguments:
|
||
|
|
|
||
|
|
dwDriver - DWORD indicating driver platform/version.
|
||
|
|
|
||
|
|
Return Value:
|
||
|
|
|
||
|
|
PLATFORM.
|
||
|
|
|
||
|
|
--*/
|
||
|
|
{
|
||
|
|
return (PLATFORM)( dwDriver % ARCH_MAX );
|
||
|
|
}
|
||
|
|
|
||
|
|
DWORD
|
||
|
|
GetDriverVersion(
|
||
|
|
IN DWORD dwDriver
|
||
|
|
)
|
||
|
|
|
||
|
|
/*++
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
|
||
|
|
Return the driver version value (used by DRIVER_INFO_x).
|
||
|
|
|
||
|
|
Arguments:
|
||
|
|
|
||
|
|
dwDriver - DWORD indicating driver platform/version.
|
||
|
|
|
||
|
|
Return Value:
|
||
|
|
|
||
|
|
DWORD version.
|
||
|
|
|
||
|
|
--*/
|
||
|
|
|
||
|
|
{
|
||
|
|
return dwDriver / ARCH_MAX;
|
||
|
|
}
|
||
|
|
|
||
|
|
BOOL
|
||
|
|
bIsNativeDriver(
|
||
|
|
IN LPCTSTR pszServerName,
|
||
|
|
IN DWORD dwDriver
|
||
|
|
)
|
||
|
|
/*++
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
|
||
|
|
Determines whether the platform/version is compatible with the
|
||
|
|
current OS.
|
||
|
|
|
||
|
|
Arguments:
|
||
|
|
|
||
|
|
dwDriver - DWORD indicating driver platform/version.
|
||
|
|
|
||
|
|
Return Value:
|
||
|
|
|
||
|
|
TRUE - compatible, FALSE - not compatible.
|
||
|
|
|
||
|
|
--*/
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// Get the current driver / version.
|
||
|
|
//
|
||
|
|
DWORD dwDrv;
|
||
|
|
if( bGetCurrentDriver( pszServerName, &dwDrv ) ){
|
||
|
|
return dwDrv == dwDriver;
|
||
|
|
}
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
BOOL
|
||
|
|
bIs3xDriver(
|
||
|
|
IN DWORD dwDriver
|
||
|
|
)
|
||
|
|
/*++
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
|
||
|
|
Returns TRUE iff driver works with 3.5x.
|
||
|
|
|
||
|
|
Arguments:
|
||
|
|
|
||
|
|
dwDriver - DWORD indicating driver platform/version.
|
||
|
|
|
||
|
|
Return Value:
|
||
|
|
|
||
|
|
--*/
|
||
|
|
|
||
|
|
{
|
||
|
|
return dwDriver < VERSION_2;
|
||
|
|
}
|
||
|
|
|
||
|
|
BOOL
|
||
|
|
bGetArchName(
|
||
|
|
IN DWORD dwDriver,
|
||
|
|
OUT TString &strDrvArchName
|
||
|
|
)
|
||
|
|
/*++
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
|
||
|
|
Retrieves the platform/version name from a driver platform/version.
|
||
|
|
|
||
|
|
Arguments:
|
||
|
|
|
||
|
|
dwDriver - DWORD indicating driver platform/version.
|
||
|
|
strDrvArchName - String where to retun platform/version string.
|
||
|
|
|
||
|
|
Return Value:
|
||
|
|
|
||
|
|
TRUE strDrvArchName contains architecture name.
|
||
|
|
FALSE error occurred reading string.
|
||
|
|
|
||
|
|
--*/
|
||
|
|
|
||
|
|
{
|
||
|
|
TStatusB bStatus;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Load the architecute / driver name.
|
||
|
|
//
|
||
|
|
bStatus DBGCHK = strDrvArchName.bLoadString( ghInst, IDS_DRIVER_BASE + dwDriver );
|
||
|
|
|
||
|
|
return bStatus;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
BOOL
|
||
|
|
bIsCompatibleDriverVersion(
|
||
|
|
IN DWORD dwDriver,
|
||
|
|
IN DWORD dwVersion
|
||
|
|
)
|
||
|
|
/*++
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
|
||
|
|
Checks if the specified drivers version is a compatible version.
|
||
|
|
|
||
|
|
NOTE: This function MUST be re-rewritten if the drvier model changes.
|
||
|
|
|
||
|
|
Arguments:
|
||
|
|
|
||
|
|
dwDriver - DWORD indicating driver platform/version.
|
||
|
|
dwVersion - DWORD version number to check.
|
||
|
|
|
||
|
|
Return Value:
|
||
|
|
|
||
|
|
TRUE version is compatible.
|
||
|
|
FALSE verion is not compatible.
|
||
|
|
|
||
|
|
--*/
|
||
|
|
{
|
||
|
|
DWORD dwDriverVersion = GetDriverVersion( dwDriver );
|
||
|
|
|
||
|
|
//
|
||
|
|
// If the version are equal then they are compatible.
|
||
|
|
//
|
||
|
|
if( dwVersion == dwDriverVersion )
|
||
|
|
return TRUE;
|
||
|
|
|
||
|
|
//
|
||
|
|
// If current driver version is a version 3 (Win2K or above)
|
||
|
|
// then version 2 (NT4 Kernel mode) are compatible drivers.
|
||
|
|
//
|
||
|
|
if( dwDriverVersion == 3 && dwVersion == 2 )
|
||
|
|
return TRUE;
|
||
|
|
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
BOOL
|
||
|
|
SpoolerGetVersionEx(
|
||
|
|
IN LPCTSTR pszServerName,
|
||
|
|
IN OUT OSVERSIONINFO *pOsVersionInfo
|
||
|
|
)
|
||
|
|
|
||
|
|
/*++
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
|
||
|
|
Gets the osversion using spooler apis, thus it's remotable.
|
||
|
|
|
||
|
|
Arguments:
|
||
|
|
|
||
|
|
pszServerName - pointer to a string which contains the server name
|
||
|
|
a NULL indicates the local machine.
|
||
|
|
pOsVersionInf - pointer to osversion structure to fill in.
|
||
|
|
|
||
|
|
Return Value:
|
||
|
|
|
||
|
|
TRUE version structure was filled successfully.
|
||
|
|
FALSE error occurred.
|
||
|
|
|
||
|
|
--*/
|
||
|
|
|
||
|
|
{
|
||
|
|
SPLASSERT ( pOsVersionInfo );
|
||
|
|
|
||
|
|
TStatusB bStatus;
|
||
|
|
bStatus DBGNOCHK = FALSE;
|
||
|
|
|
||
|
|
if( !pszServerName )
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// Get the osversion info structure size
|
||
|
|
//
|
||
|
|
bStatus DBGCHK = GetVersionEx( pOsVersionInfo );
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// Attempt to open print server with just read.
|
||
|
|
//
|
||
|
|
DWORD dwStatus = ERROR_SUCCESS;
|
||
|
|
DWORD dwAccess = SERVER_READ;
|
||
|
|
HANDLE hServer = NULL;
|
||
|
|
DWORD dwNeeded = 0;
|
||
|
|
DWORD dwType = REG_BINARY;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Open the server for read access.
|
||
|
|
//
|
||
|
|
dwStatus = TPrinter::sOpenPrinter( pszServerName, &dwAccess, &hServer );
|
||
|
|
|
||
|
|
//
|
||
|
|
// Get the os version from the remote spooler.
|
||
|
|
//
|
||
|
|
if( dwStatus == ERROR_SUCCESS )
|
||
|
|
{
|
||
|
|
dwStatus = GetPrinterData( hServer,
|
||
|
|
SPLREG_OS_VERSION,
|
||
|
|
&dwType,
|
||
|
|
(PBYTE)pOsVersionInfo,
|
||
|
|
sizeof( OSVERSIONINFO ),
|
||
|
|
&dwNeeded );
|
||
|
|
|
||
|
|
if( dwStatus == ERROR_SUCCESS )
|
||
|
|
{
|
||
|
|
bStatus DBGCHK = TRUE;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return bStatus;
|
||
|
|
}
|