1 /*************************************************************************
2  *
3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4  *
5  * Copyright 2000, 2010 Oracle and/or its affiliates.
6  *
7  * OpenOffice.org - a multi-platform office productivity suite
8  *
9  * This file is part of OpenOffice.org.
10  *
11  * OpenOffice.org is free software: you can redistribute it and/or modify
12  * it under the terms of the GNU Lesser General Public License version 3
13  * only, as published by the Free Software Foundation.
14  *
15  * OpenOffice.org is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  * GNU Lesser General Public License version 3 for more details
19  * (a copy is included in the LICENSE file that accompanied this code).
20  *
21  * You should have received a copy of the GNU Lesser General Public License
22  * version 3 along with OpenOffice.org.  If not, see
23  * <http://www.openoffice.org/license.html>
24  * for a copy of the LGPLv3 License.
25  *
26  ************************************************************************/
27 
28 #define _WIN32_WINNT 0x0401
29 
30 #ifdef _MSC_VER
31 #pragma warning(push, 1) /* disable warnings within system headers */
32 #endif
33 #define WIN32_LEAN_AND_MEAN
34 #include <windows.h>
35 #include <msiquery.h>
36 #ifdef _MSC_VER
37 #pragma warning(pop)
38 #endif
39 
40 #include <malloc.h>
41 #include <assert.h>
42 
43 #ifdef UNICODE
44 #define _UNICODE
45 #define _tstring	wstring
46 #else
47 #define _tstring	string
48 #endif
49 #include <tchar.h>
50 #include <string>
51 #include <queue>
52 #include <stdio.h>
53 
54 #include <systools/win32/uwinapi.h>
55 #include <../tools/seterror.hxx>
56 
57 static std::_tstring GetMsiProperty( MSIHANDLE handle, const std::_tstring& sProperty )
58 {
59     std::_tstring result;
60     TCHAR szDummy[1] = TEXT("");
61     DWORD nChars = 0;
62 
63     if ( MsiGetProperty( handle, sProperty.c_str(), szDummy, &nChars ) == ERROR_MORE_DATA )
64     {
65         DWORD nBytes = ++nChars * sizeof(TCHAR);
66         LPTSTR buffer = reinterpret_cast<LPTSTR>(_alloca(nBytes));
67         ZeroMemory( buffer, nBytes );
68         MsiGetProperty(handle, sProperty.c_str(), buffer, &nChars);
69         result = buffer;
70     }
71 
72     return result;
73 }
74 
75 static void UnsetMsiProperty(MSIHANDLE handle, const std::_tstring& sProperty)
76 {
77     MsiSetProperty(handle, sProperty.c_str(), NULL);
78 }
79 
80 static void SetMsiProperty(MSIHANDLE handle, const std::_tstring& sProperty, const std::_tstring&)
81 {
82     MsiSetProperty(handle, sProperty.c_str(), TEXT("1"));
83 }
84 
85 extern "C" UINT __stdcall CheckInstallDirectory(MSIHANDLE handle)
86 {
87     std::_tstring sInstallPath = GetMsiProperty(handle, TEXT("INSTALLLOCATION"));
88     std::_tstring sOfficeHostnamePath = GetMsiProperty(handle, TEXT("OFFICEDIRHOSTNAME"));
89 
90     // MessageBox(NULL, sInstallPath.c_str(), "DEBUG", MB_OK);
91 
92     // unsetting all properties
93 
94     UnsetMsiProperty( handle, TEXT("DIRECTORY_NOT_EMPTY") );
95 
96     // 1. Searching for file setup.ini
97 
98     std::_tstring sSetupIniPath = sInstallPath + sOfficeHostnamePath + TEXT("\\program\\setup.ini");
99 
100     WIN32_FIND_DATA data;
101     HANDLE hdl = FindFirstFile(sSetupIniPath.c_str(), &data);
102 
103     // std::_tstring mystr = "Searching for " + sSetupIniPath;
104     // MessageBox(NULL, mystr.c_str(), "DEBUG", MB_OK);
105 
106     if ( IsValidHandle(hdl) )
107     {
108         // setup.ini found -> directory cannot be used for installation.
109         SetMsiProperty( handle, TEXT("DIRECTORY_NOT_EMPTY"), TEXT("1") );
110         SetMsiErrorCode( MSI_ERROR_DIRECTORY_NOT_EMPTY );
111         // std::_tstring notEmptyStr = "Directory is not empty. Please choose another installation directory.";
112         // std::_tstring notEmptyTitle = "Directory not empty";
113         // MessageBox(NULL, notEmptyStr.c_str(), notEmptyTitle.c_str(), MB_OK);
114     }
115 
116     return ERROR_SUCCESS;
117 }
118