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path: root/setup_native/source/win32/customactions/shellextensions/migrateinstallpath.cxx
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/

#define _WIN32_WINDOWS 0x0410
#ifdef _MSC_VER
#pragma warning(push, 1) /* disable warnings within system headers */
#endif
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <msiquery.h>
#ifdef _MSC_VER
#pragma warning(pop)
#endif

#include <malloc.h>

#ifdef UNICODE
#define _UNICODE
#define _tstring    wstring
#else
#define _tstring    string
#endif
#include <tchar.h>
#include <string>

using namespace std;

namespace
{
    std::_tstring GetMsiProperty( MSIHANDLE handle, const std::_tstring& sProperty )
    {
        std::_tstring   result;
        TCHAR   szDummy[1] = TEXT("");
        DWORD   nChars = 0;

        if ( MsiGetProperty( handle, sProperty.c_str(), szDummy, &nChars ) == ERROR_MORE_DATA )
        {
            DWORD nBytes = ++nChars * sizeof(TCHAR);
            LPTSTR buffer = reinterpret_cast<LPTSTR>(_alloca(nBytes));
            ZeroMemory( buffer, nBytes );
            MsiGetProperty(handle, sProperty.c_str(), buffer, &nChars);
            result = buffer;
        }

        return  result;
    }
} // namespace

extern "C" UINT __stdcall MigrateInstallPath( MSIHANDLE handle )
{
    TCHAR   szValue[8192];
    DWORD   nValueSize = sizeof(szValue);
    HKEY    hKey;
    std::_tstring   sInstDir;

    std::_tstring   sManufacturer = GetMsiProperty( handle, TEXT("Manufacturer") );
    std::_tstring   sDefinedName = GetMsiProperty( handle, TEXT("DEFINEDPRODUCT") );
    std::_tstring   sUpdateVersion = GetMsiProperty( handle, TEXT("DEFINEDVERSION") );
    std::_tstring   sUpgradeCode = GetMsiProperty( handle, TEXT("UpgradeCode") );

    std::_tstring   sProductKey = "Software\\" + sManufacturer + "\\" + sDefinedName +
                                        "\\" + sUpdateVersion + "\\" + sUpgradeCode;

    std::_tstring   mystr;
    mystr = "ProductKey: " + sProductKey;
    // MessageBox( NULL, mystr.c_str(), "ProductKey", MB_OK );

    if ( ERROR_SUCCESS == RegOpenKey( HKEY_CURRENT_USER,  sProductKey.c_str(), &hKey ) )
    {
        if ( ERROR_SUCCESS == RegQueryValueEx( hKey, TEXT("INSTALLLOCATION"), NULL, NULL, (LPBYTE)szValue, &nValueSize ) )
        {
            sInstDir = szValue;
            MsiSetProperty(handle, TEXT("INSTALLLOCATION"), sInstDir.c_str());
            // MessageBox( NULL, sInstDir.c_str(), "Found in HKEY_CURRENT_USER", MB_OK );
        }

        RegCloseKey( hKey );
    }
    else if ( ERROR_SUCCESS == RegOpenKey( HKEY_LOCAL_MACHINE,  sProductKey.c_str(), &hKey ) )
    {
        if ( ERROR_SUCCESS == RegQueryValueEx( hKey, TEXT("INSTALLLOCATION"), NULL, NULL, (LPBYTE)szValue, &nValueSize ) )
        {
            sInstDir = szValue;
            MsiSetProperty(handle, TEXT("INSTALLLOCATION"), sInstDir.c_str());
            // MessageBox( NULL, sInstDir.c_str(), "Found in HKEY_LOCAL_MACHINE", MB_OK );
        }

        RegCloseKey( hKey );
    }

    return ERROR_SUCCESS;

}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */