setup_native/source/win32/customactions/shellextensions/completeinstallpath.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*************************************************************************
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  28
  29 #define _WIN32_WINDOWS 0x0410
  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
  42 #ifdef UNICODE
  43 #define _UNICODE
  44 #define _tstring    wstring
  45 #else
  46 #define _tstring    string
  47 #endif
  48 #include <tchar.h>
  49 #include <string>
  50
  51 using namespace std;
  52
  53 namespace
  54 {
  55     std::_tstring GetMsiProperty( MSIHANDLE handle, const std::_tstring& sProperty )
  56     {
  57         std::_tstring   result;
  58         TCHAR   szDummy[1] = TEXT("");
  59         DWORD   nChars = 0;
  60
  61         if ( MsiGetProperty( handle, sProperty.c_str(), szDummy, &nChars ) == ERROR_MORE_DATA )
  62         {
  63             DWORD nBytes = ++nChars * sizeof(TCHAR);
  64             LPTSTR buffer = reinterpret_cast<LPTSTR>(_alloca(nBytes));
  65             ZeroMemory( buffer, nBytes );
  66             MsiGetProperty(handle, sProperty.c_str(), buffer, &nChars);
  67             result = buffer;
  68         }
  69
  70         return  result;
  71     }
  72 } // namespace
  73
  74 extern "C" UINT __stdcall CompleteInstallPath( MSIHANDLE handle )
  75 {
  76     // This CustomAction is necessary for updates from OOo 3.0, OOo 3.1 and OOo 3.2 to versions
  77     // OOo 3.3 or later. This is caused by a change of INSTALLLOCATION, that starting with OOo 3.3
  78     // contains the name of the product again (instead of only "c:\program files"). Unfortunately
  79     // this causes in an update installation, that INSTALLLOCATION is set to "c:\program files",
  80     // so that in an OOo 3.3 or later, the directory "program" or "share" are directly created
  81     // below "c:\program files".
  82
  83     TCHAR   szValue[8192];
  84     DWORD   nValueSize = sizeof(szValue);
  85     HKEY    hKey;
  86
  87     // Reading property OFFICEDIRHOSTNAME_, that contains the part of the path behind
  88     // the program files folder.
  89
  90     std::_tstring   sInstallLocation = GetMsiProperty( handle, TEXT("INSTALLLOCATION") );
  91     std::_tstring   sOfficeDirHostname = GetMsiProperty( handle, TEXT("OFFICEDIRHOSTNAME_") );
  92
  93     // If sInstallLocation ends with (contains) the string sOfficeDirHostname,
  94     // INSTALLLOCATION is good and nothing has to be done here.
  95
  96     bool pathCompletionRequired = true;
  97
  98     if ( _tcsstr( sInstallLocation.c_str(), sOfficeDirHostname.c_str() ) )
  99     {
 100         pathCompletionRequired = false;  // nothing to do
 101     }
 102
 103     // If the path INSTALLLOCATION does not end with this string, INSTALLLOCATION is maybe
 104     // transfered from an OOo 3.0, OOo 3.1 and OOo 3.2 and need to be changed therefore.
 105
 106     if ( pathCompletionRequired )
 107     {
 108         std::_tstring   sManufacturer = GetMsiProperty( handle, TEXT("Manufacturer") );
 109         std::_tstring   sDefinedName = GetMsiProperty( handle, TEXT("DEFINEDPRODUCT") );
 110         std::_tstring   sUpgradeCode = GetMsiProperty( handle, TEXT("UpgradeCode") );
 111
 112         // sUpdateVersion can be "3.0", "3.1" or "3.2"
 113
 114         std::_tstring   sProductKey30 = "Software\\" + sManufacturer + "\\" + sDefinedName +
 115                                             "\\" + "3.0" + "\\" + sUpgradeCode;
 116
 117         std::_tstring   sProductKey31 = "Software\\" + sManufacturer + "\\" + sDefinedName +
 118                                             "\\" + "3.1" + "\\" + sUpgradeCode;
 119
 120         std::_tstring   sProductKey32 = "Software\\" + sManufacturer + "\\" + sDefinedName +
 121                                             "\\" + "3.2" + "\\" + sUpgradeCode;
 122
 123         bool oldVersionExists = false;
 124
 125         if ( ERROR_SUCCESS == RegOpenKey( HKEY_CURRENT_USER,  sProductKey30.c_str(), &hKey ) )
 126         {
 127             oldVersionExists = true;
 128             RegCloseKey( hKey );
 129         }
 130         else if ( ERROR_SUCCESS == RegOpenKey( HKEY_CURRENT_USER,  sProductKey31.c_str(), &hKey ) )
 131         {
 132             oldVersionExists = true;
 133             RegCloseKey( hKey );
 134         }
 135         else if ( ERROR_SUCCESS == RegOpenKey( HKEY_CURRENT_USER,  sProductKey32.c_str(), &hKey ) )
 136         {
 137             oldVersionExists = true;
 138             RegCloseKey( hKey );
 139         }
 140         else if ( ERROR_SUCCESS == RegOpenKey( HKEY_LOCAL_MACHINE,  sProductKey30.c_str(), &hKey ) )
 141         {
 142             oldVersionExists = true;
 143             RegCloseKey( hKey );
 144         }
 145         else if ( ERROR_SUCCESS == RegOpenKey( HKEY_LOCAL_MACHINE,  sProductKey31.c_str(), &hKey ) )
 146         {
 147             oldVersionExists = true;
 148             RegCloseKey( hKey );
 149         }
 150         else if ( ERROR_SUCCESS == RegOpenKey( HKEY_LOCAL_MACHINE,  sProductKey32.c_str(), &hKey ) )
 151         {
 152             oldVersionExists = true;
 153             RegCloseKey( hKey );
 154         }
 155
 156         if ( oldVersionExists )
 157         {
 158             // Adding the new path content sOfficeDirHostname
 159             sInstallLocation = sInstallLocation + sOfficeDirHostname;
 160             // Setting the new property value
 161             MsiSetProperty(handle, TEXT("INSTALLLOCATION"), sInstallLocation.c_str());
 162         }
 163     }
 164
 165     return ERROR_SUCCESS;
 166 }
 167
 168 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */