1 /************************************************************** 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 UNICODE 25 26 #ifdef _MSC_VER 27 #pragma warning(push,1) // disable warnings within system headers 28 #endif 29 #include <windows.h> 30 #include <msiquery.h> 31 #ifdef _MSC_VER 32 #pragma warning(pop) 33 #endif 34 35 #include <string.h> 36 #include <malloc.h> 37 #include <stdio.h> 38 #include "strsafe.h" 39 40 #include <seterror.hxx> 41 42 //---------------------------------------------------------- 43 BOOL GetMsiProp( MSIHANDLE hMSI, const wchar_t* pPropName, wchar_t** ppValue ) 44 { 45 DWORD sz = 0; 46 if ( MsiGetProperty( hMSI, pPropName, L"", &sz ) == ERROR_MORE_DATA ) 47 { 48 sz++; 49 DWORD nbytes = sz * sizeof( wchar_t ); 50 wchar_t* buff = reinterpret_cast<wchar_t*>( malloc( nbytes ) ); 51 ZeroMemory( buff, nbytes ); 52 MsiGetProperty( hMSI, pPropName, buff, &sz ); 53 *ppValue = buff; 54 55 return TRUE; 56 } 57 58 return FALSE; 59 } 60 61 //---------------------------------------------------------- 62 #ifdef DEBUG 63 inline void OutputDebugStringFormat( LPCTSTR pFormat, ... ) 64 { 65 TCHAR buffer[1024]; 66 va_list args; 67 68 va_start( args, pFormat ); 69 StringCchVPrintf( buffer, sizeof(buffer), pFormat, args ); 70 OutputDebugString( buffer ); 71 } 72 #else 73 static inline void OutputDebugStringFormat( LPCTSTR, ... ) 74 { 75 } 76 #endif 77 78 //---------------------------------------------------------- 79 extern "C" UINT __stdcall CheckVersions( MSIHANDLE hMSI ) 80 { 81 // MessageBox(NULL, L"CheckVersions", L"Information", MB_OK | MB_ICONINFORMATION); 82 83 wchar_t* pVal = NULL; 84 85 if ( GetMsiProp( hMSI, L"NEWPRODUCTS", &pVal ) && pVal ) 86 { 87 OutputDebugStringFormat( TEXT("DEBUG: NEWPRODUCTS found [%s]"), pVal ); 88 if ( *pVal != 0 ) 89 SetMsiErrorCode( MSI_ERROR_NEW_VERSION_FOUND ); 90 free( pVal ); 91 } 92 pVal = NULL; 93 if ( GetMsiProp( hMSI, L"SAMEPRODUCTS", &pVal ) && pVal ) 94 { 95 OutputDebugStringFormat( TEXT("DEBUG: SAMEPRODUCTS found [%s]"), pVal ); 96 if ( *pVal != 0 ) 97 SetMsiErrorCode( MSI_ERROR_SAME_VERSION_FOUND ); 98 free( pVal ); 99 } 100 pVal = NULL; 101 if ( GetMsiProp( hMSI, L"OLDPRODUCTS", &pVal ) && pVal ) 102 { 103 OutputDebugStringFormat( TEXT("DEBUG: OLDPRODUCTS found [%s]"), pVal ); 104 if ( *pVal != 0 ) 105 SetMsiErrorCode( MSI_ERROR_OLD_VERSION_FOUND ); 106 free( pVal ); 107 } 108 pVal = NULL; 109 if ( GetMsiProp( hMSI, L"BETAPRODUCTS", &pVal ) && pVal ) 110 { 111 OutputDebugStringFormat( TEXT("DEBUG: BETAPRODUCTS found [%s]"), pVal ); 112 if ( *pVal != 0 ) 113 SetMsiErrorCode( MSI_ERROR_OLD_VERSION_FOUND ); 114 free( pVal ); 115 } 116 117 pVal = NULL; 118 if ( GetMsiProp( hMSI, L"NEWPRODUCTSPATCH", &pVal ) && pVal ) 119 { 120 OutputDebugStringFormat( TEXT("DEBUG: NEWPRODUCTSPATCH found [%s]"), pVal ); 121 if ( *pVal != 0 ) 122 SetMsiErrorCode( MSI_ERROR_NEW_PATCH_FOUND ); 123 free( pVal ); 124 } 125 pVal = NULL; 126 if ( GetMsiProp( hMSI, L"SAMEPRODUCTSPATCH", &pVal ) && pVal ) 127 { 128 OutputDebugStringFormat( TEXT("DEBUG: SAMEPRODUCTSPATCH found [%s]"), pVal ); 129 if ( *pVal != 0 ) 130 SetMsiErrorCode( MSI_ERROR_SAME_PATCH_FOUND ); 131 free( pVal ); 132 } 133 pVal = NULL; 134 if ( GetMsiProp( hMSI, L"OLDPRODUCTSPATCH", &pVal ) && pVal ) 135 { 136 OutputDebugStringFormat( TEXT("DEBUG: OLDPRODUCTSPATCH found [%s]"), pVal ); 137 if ( *pVal != 0 ) 138 SetMsiErrorCode( MSI_ERROR_OLD_PATCH_FOUND ); 139 free( pVal ); 140 } 141 142 return ERROR_SUCCESS; 143 } 144 145 146