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 #include <strsafe.h>
54 
55 #include <systools/win32/uwinapi.h>
56 
57 //----------------------------------------------------------
58 #ifdef DEBUG
59 inline void OutputDebugStringFormat( LPCSTR pFormat, ... )
60 {
61 	CHAR    buffer[1024];
62 	va_list args;
63 
64 	va_start( args, pFormat );
65 	StringCchVPrintfA( buffer, sizeof(buffer), pFormat, args );
66 	OutputDebugStringA( buffer );
67 }
68 #else
69 static inline void OutputDebugStringFormat( LPCSTR, ... )
70 {
71 }
72 #endif
73 
74 static std::_tstring GetMsiProperty( MSIHANDLE handle, const std::_tstring& sProperty )
75 {
76     std::_tstring result;
77     TCHAR szDummy[1] = TEXT("");
78     DWORD nChars = 0;
79 
80     if ( MsiGetProperty( handle, sProperty.c_str(), szDummy, &nChars ) == ERROR_MORE_DATA )
81     {
82         DWORD nBytes = ++nChars * sizeof(TCHAR);
83         LPTSTR buffer = reinterpret_cast<LPTSTR>(_alloca(nBytes));
84         ZeroMemory( buffer, nBytes );
85         MsiGetProperty(handle, sProperty.c_str(), buffer, &nChars);
86         result = buffer;
87     }
88 
89     return result;
90 }
91 
92 static void SetMsiProperty( MSIHANDLE handle, const std::_tstring& sProperty )
93 {
94     MsiSetProperty( handle, sProperty.c_str(), TEXT("1") );
95 }
96 
97 extern "C" UINT __stdcall CheckPatchList( MSIHANDLE handle )
98 {
99     std::_tstring sPatchList = GetMsiProperty( handle, TEXT("PATCH") );
100     std::_tstring sRequiredPatch = GetMsiProperty( handle, TEXT("PREREQUIREDPATCH") );
101 
102     OutputDebugStringFormat( "CheckPatchList called with PATCH=%s and PRQ= %s\n", sPatchList.c_str(), sRequiredPatch.c_str() );
103 
104     if ( ( sPatchList.length() != 0 ) && ( sRequiredPatch.length() != 0 ) )
105     {
106         if ( _tcsstr( sPatchList.c_str(), sRequiredPatch.c_str() ) )
107         {
108             SetMsiProperty( handle, TEXT("IGNOREPREREQUIREDPATCH") );
109             OutputDebugStringFormat( "Set Property IgnorePrerequiredPatch!\n" );
110         }
111     }
112     return ERROR_SUCCESS;
113 }
114