setup_native/source/win32/customactions/shellextensions/migrateinstallpath.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include "shlxtmsi.hxx"
  21 #include <algorithm>
  22 #include <systools/win32/uwinapi.h>
  23
  24 extern "C" __declspec(dllexport) UINT __stdcall MigrateInstallPath( MSIHANDLE handle )
  25 {
  26     WCHAR   szValue[8192];
  27     DWORD   nValueSize = sizeof(szValue); // yes, it is the number of bytes
  28     HKEY    hKey;
  29     std::wstring   sInstDir;
  30
  31     std::wstring   sManufacturer = GetMsiPropertyW( handle, L"Manufacturer" );
  32     std::wstring   sDefinedName = GetMsiPropertyW( handle, L"DEFINEDPRODUCT" );
  33     std::wstring   sUpdateVersion = GetMsiPropertyW( handle, L"DEFINEDVERSION" );
  34     std::wstring   sUpgradeCode = GetMsiPropertyW( handle, L"UpgradeCode" );
  35
  36     std::wstring   sProductKey = L"Software\\" + sManufacturer + L"\\" + sDefinedName +
  37                                         L"\\" + sUpdateVersion + L"\\" + sUpgradeCode;
  38
  39     if ( ERROR_SUCCESS == RegOpenKeyW( HKEY_CURRENT_USER,  sProductKey.c_str(), &hKey ) )
  40     {
  41         if ( ERROR_SUCCESS == RegQueryValueExW( hKey, L"INSTALLLOCATION", nullptr, nullptr, reinterpret_cast<LPBYTE>(szValue), &nValueSize ) )
  42         {
  43             szValue[std::min(static_cast<unsigned int>(SAL_N_ELEMENTS(szValue) - 1), static_cast<unsigned int>(nValueSize / sizeof(*szValue)))] = 0;
  44             sInstDir = szValue;
  45             MsiSetPropertyW(handle, L"INSTALLLOCATION", sInstDir.c_str());
  46             // MessageBoxW( NULL, sInstDir.c_str(), L"Found in HKEY_CURRENT_USER", MB_OK );
  47         }
  48
  49         RegCloseKey( hKey );
  50     }
  51     else if ( ERROR_SUCCESS == RegOpenKeyW( HKEY_LOCAL_MACHINE,  sProductKey.c_str(), &hKey ) )
  52     {
  53         if ( ERROR_SUCCESS == RegQueryValueExW( hKey, L"INSTALLLOCATION", nullptr, nullptr, reinterpret_cast<LPBYTE>(szValue), &nValueSize ) )
  54         {
  55             szValue[std::min(static_cast<unsigned int>(SAL_N_ELEMENTS(szValue) - 1), static_cast<unsigned int>(nValueSize / sizeof(*szValue)))] = 0;
  56             sInstDir = szValue;
  57             MsiSetPropertyW(handle, L"INSTALLLOCATION", sInstDir.c_str());
  58             // MessageBoxW( NULL, sInstDir.c_str(), L"Found in HKEY_LOCAL_MACHINE", MB_OK );
  59         }
  60
  61         RegCloseKey( hKey );
  62     }
  63
  64     return ERROR_SUCCESS;
  65
  66 }
  67
  68 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */