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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 "sal/config.h"
#include <cstddef>
#include <new>
#include <string.h> // <cstring> not supported by old MSC versions
#define WIN32_LEAN_AND_MEAN
#if defined _MSC_VER
#pragma warning(push, 1)
#endif
#include <windows.h>
#include <msiquery.h>
#include <shellapi.h>
#if defined _MSC_VER
#pragma warning(pop)
#endif
#include "boost/scoped_array.hpp"
#define LCL_LENGTH0(s) (sizeof (s) / sizeof *(s))
#define LCL_STRING0(s) (s), LCL_LENGTH0(s)
namespace {
enum Status { STATUS_NO, STATUS_YES, STATUS_ERROR };
Status fileExists(wchar_t const * path) {
return GetFileAttributesW(path) == INVALID_FILE_ATTRIBUTES
? GetLastError() == ERROR_FILE_NOT_FOUND ? STATUS_NO : STATUS_ERROR
: STATUS_YES;
}
wchar_t * getProperty(
MSIHANDLE install, wchar_t const * name, wchar_t const * suffix,
std::size_t suffixLength, wchar_t ** end = NULL)
{
DWORD n = 0;
UINT err = MsiGetPropertyW(install, name, L"", &n);
if (err != ERROR_SUCCESS && err != ERROR_MORE_DATA) {
return NULL;
}
DWORD n2 = n + suffixLength; //TODO: overflow
wchar_t * data = new(std::nothrow) wchar_t[n2];
if (data == NULL) {
return NULL;
}
if (MsiGetPropertyW(install, name, data, &n2) != ERROR_SUCCESS || n2 != n) {
delete[] data;
return NULL;
}
memcpy(data + n, suffix, suffixLength * sizeof (wchar_t)); //TODO: overflow
if (end != NULL) {
*end = data + n + suffixLength;
}
return data;
}
}
extern "C" UINT __stdcall copyEditionData(MSIHANDLE install) {
boost::scoped_array<wchar_t> from(
getProperty(install, L"SourceDir", LCL_STRING0(L"edition\0")));
if (!from) {
return ERROR_INSTALL_FAILURE;
}
Status stat = fileExists(from.get());
if (stat == STATUS_ERROR) {
return ERROR_INSTALL_FAILURE;
}
if (stat == STATUS_NO) {
return ERROR_SUCCESS;
}
wchar_t * end;
boost::scoped_array<wchar_t> to(
getProperty(
install, L"INSTALLLOCATION",
LCL_STRING0(L"program\\edition\0"), &end));
if (!to) {
return ERROR_INSTALL_FAILURE;
}
stat = fileExists(to.get());
if (stat == STATUS_ERROR) {
return ERROR_INSTALL_FAILURE;
}
if (stat == STATUS_YES) {
SHFILEOPSTRUCTW opDelete = {
NULL, FO_DELETE, to.get(), NULL, FOF_NOCONFIRMATION | FOF_SILENT,
FALSE, NULL, NULL }; //TODO: non-NULL hwnd
if (SHFileOperationW(&opDelete) != 0) {
return ERROR_INSTALL_FAILURE;
}
}
*(end - LCL_LENGTH0(L"\\edition\0")) = L'\0';
*(end - LCL_LENGTH0(L"\\edition\0") + 1) = L'\0';
SHFILEOPSTRUCTW opCopy = {
NULL, FO_COPY, from.get(), to.get(),
FOF_NOCONFIRMATION | FOF_NOCONFIRMMKDIR | FOF_SILENT, FALSE, NULL,
NULL }; //TODO: non-NULL hwnd
if (SHFileOperationW(&opCopy) != 0) {
return ERROR_INSTALL_FAILURE;
}
return ERROR_SUCCESS;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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