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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include "shlxtmsi.hxx"
#include <algorithm>
#include <sstream>
#include <systools/win32/uwinapi.h>
extern "C" __declspec(dllexport) UINT __stdcall MigrateInstallPath(MSIHANDLE handle)
{
auto RegValue = [](HKEY hRoot, const WCHAR* sKey, const WCHAR* sVal) {
std::wstring sResult;
if (HKEY hKey; RegOpenKeyW(hRoot, sKey, &hKey) == ERROR_SUCCESS)
{
WCHAR buf[32767]; // max longpath
DWORD bufsize = sizeof(buf); // yes, it is the number of bytes
if (RegQueryValueExW(hKey, sVal, nullptr, nullptr, reinterpret_cast<LPBYTE>(buf),
&bufsize)
== ERROR_SUCCESS)
{
buf[std::min<size_t>(SAL_N_ELEMENTS(buf) - 1, bufsize / sizeof(*buf))] = 0;
sResult = buf;
}
RegCloseKey(hKey);
}
return sResult;
};
std::wstring sManufacturer = GetMsiPropertyW( handle, L"Manufacturer" );
std::wstring sDefinedName = GetMsiPropertyW( handle, L"DEFINEDPRODUCT" );
std::wstring sUpdateVersion = GetMsiPropertyW( handle, L"DEFINEDVERSION" );
std::wstring sUpgradeCode = GetMsiPropertyW( handle, L"UpgradeCode" );
std::wstring sKey = L"Software\\" + sManufacturer + L"\\" + sDefinedName +
L"\\" + sUpdateVersion + L"\\" + sUpgradeCode;
if (auto sInstDir = RegValue(HKEY_CURRENT_USER, sKey.c_str(), L"INSTALLLOCATION");
!sInstDir.empty())
{
MsiSetPropertyW(handle, L"INSTALLLOCATION", sInstDir.c_str());
// MessageBoxW( NULL, sInstDir.c_str(), L"Found in HKEY_CURRENT_USER", MB_OK );
}
else if (auto sInstDir = RegValue(HKEY_LOCAL_MACHINE, sKey.c_str(), L"INSTALLLOCATION");
!sInstDir.empty())
{
MsiSetPropertyW(handle, L"INSTALLLOCATION", sInstDir.c_str());
// MessageBoxW( NULL, sInstDir.c_str(), L"Found in HKEY_LOCAL_MACHINE", MB_OK );
}
else if (std::wistringstream sOlds{ GetMsiPropertyW(handle, L"OLDPRODUCTS") }; !sOlds.eof())
{
std::wstring sOld;
bool bFound = false;
while (!bFound && std::getline(sOlds, sOld, L';'))
{
if (sOld.empty())
continue;
sKey = L"Software\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\" + sOld;
if (auto sInstDir = RegValue(HKEY_LOCAL_MACHINE, sKey.c_str(), L"InstallLocation");
!sInstDir.empty())
{
MsiSetPropertyW(handle, L"INSTALLLOCATION", sInstDir.c_str());
// MessageBoxW( NULL, sInstDir.c_str(), L"Found in Uninstall", MB_OK );
bFound = true;
}
}
}
return ERROR_SUCCESS;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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