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2  *
3  * Licensed to the Apache Software Foundation (ASF) under one
4  * or more contributor license agreements.  See the NOTICE file
5  * distributed with this work for additional information
6  * regarding copyright ownership.  The ASF licenses this file
7  * to you under the Apache License, Version 2.0 (the
8  * "License"); you may not use this file except in compliance
9  * with the License.  You may obtain a copy of the License at
10  *
11  *   http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing,
14  * software distributed under the License is distributed on an
15  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16  * KIND, either express or implied.  See the License for the
17  * specific language governing permissions and limitations
18  * under the License.
19  *
20  *************************************************************/
21 
22 
23 
24 #define _WIN32_WINNT 0x0401
25 
26 #ifdef _MSC_VER
27 #pragma warning(push, 1) /* disable warnings within system headers */
28 #endif
29 #define WIN32_LEAN_AND_MEAN
30 #include <windows.h>
31 #include <msiquery.h>
32 #ifdef _MSC_VER
33 #pragma warning(pop)
34 #endif
35 
36 #include <malloc.h>
37 #include <assert.h>
38 
39 #ifdef UNICODE
40 #define _UNICODE
41 #define _tstring	wstring
42 #else
43 #define _tstring	string
44 #endif
45 #include <tchar.h>
46 #include <string>
47 #include <queue>
48 #include <stdio.h>
49 
50 #include <systools/win32/uwinapi.h>
51 #include <../tools/seterror.hxx>
52 
53 static std::_tstring GetMsiProperty( MSIHANDLE handle, const std::_tstring& sProperty )
54 {
55     std::_tstring result;
56     TCHAR szDummy[1] = TEXT("");
57     DWORD nChars = 0;
58 
59     if ( MsiGetProperty( handle, sProperty.c_str(), szDummy, &nChars ) == ERROR_MORE_DATA )
60     {
61         DWORD nBytes = ++nChars * sizeof(TCHAR);
62         LPTSTR buffer = reinterpret_cast<LPTSTR>(_alloca(nBytes));
63         ZeroMemory( buffer, nBytes );
64         MsiGetProperty(handle, sProperty.c_str(), buffer, &nChars);
65         result = buffer;
66     }
67 
68     return result;
69 }
70 
71 static void UnsetMsiProperty(MSIHANDLE handle, const std::_tstring& sProperty)
72 {
73     MsiSetProperty(handle, sProperty.c_str(), NULL);
74 }
75 
76 static void SetMsiProperty(MSIHANDLE handle, const std::_tstring& sProperty, const std::_tstring&)
77 {
78     MsiSetProperty(handle, sProperty.c_str(), TEXT("1"));
79 }
80 
81 extern "C" UINT __stdcall CheckInstallDirectory(MSIHANDLE handle)
82 {
83     std::_tstring sInstallPath = GetMsiProperty(handle, TEXT("INSTALLLOCATION"));
84     std::_tstring sOfficeHostnamePath = GetMsiProperty(handle, TEXT("OFFICEDIRHOSTNAME"));
85 
86     // MessageBox(NULL, sInstallPath.c_str(), "DEBUG", MB_OK);
87 
88     // unsetting all properties
89 
90     UnsetMsiProperty( handle, TEXT("DIRECTORY_NOT_EMPTY") );
91 
92     // 1. Searching for file setup.ini
93 
94     std::_tstring sSetupIniPath = sInstallPath + sOfficeHostnamePath + TEXT("\\program\\setup.ini");
95 
96     WIN32_FIND_DATA data;
97     HANDLE hdl = FindFirstFile(sSetupIniPath.c_str(), &data);
98 
99     // std::_tstring mystr = "Searching for " + sSetupIniPath;
100     // MessageBox(NULL, mystr.c_str(), "DEBUG", MB_OK);
101 
102     if ( IsValidHandle(hdl) )
103     {
104         // setup.ini found -> directory cannot be used for installation.
105         SetMsiProperty( handle, TEXT("DIRECTORY_NOT_EMPTY"), TEXT("1") );
106         SetMsiErrorCode( MSI_ERROR_DIRECTORY_NOT_EMPTY );
107         // std::_tstring notEmptyStr = "Directory is not empty. Please choose another installation directory.";
108         // std::_tstring notEmptyTitle = "Directory not empty";
109         // MessageBox(NULL, notEmptyStr.c_str(), notEmptyTitle.c_str(), MB_OK);
110     }
111 
112     return ERROR_SUCCESS;
113 }
114