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

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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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 #include <io.h>
  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
  72 static BOOL ExecuteCommand( LPCTSTR lpCommand, BOOL bSync )
  73 {
  74     BOOL                fSuccess = FALSE;
  75     STARTUPINFO         si;
  76     PROCESS_INFORMATION pi;
  77
  78     ZeroMemory( &si, sizeof(si) );
  79     si.cb = sizeof(si);
  80
  81     fSuccess = CreateProcess(
  82         NULL,
  83         (LPTSTR)lpCommand,
  84         NULL,
  85         NULL,
  86         FALSE,
  87         0,
  88         NULL,
  89         NULL,
  90         &si,
  91         &pi
  92         );
  93
  94     if ( fSuccess )
  95     {
  96         if ( bSync )
  97             WaitForSingleObject( pi.hProcess, INFINITE );
  98
  99         CloseHandle( pi.hProcess );
 100         CloseHandle( pi.hThread );
 101     }
 102
 103     return fSuccess;
 104 }
 105
 106 extern "C" UINT __stdcall ExecutePostUninstallScript( MSIHANDLE handle )
 107 {
 108     TCHAR   szValue[8192];
 109     DWORD   nValueSize = sizeof(szValue);
 110     HKEY    hKey;
 111     std::_tstring   sInstDir;
 112
 113     std::_tstring   sProductKey = GetMsiProperty( handle, TEXT("FINDPRODUCT") );
 114
 115     // MessageBox( NULL, sProductKey.c_str(), "Titel", MB_OK );
 116
 117     if ( ERROR_SUCCESS == RegOpenKey( HKEY_CURRENT_USER,  sProductKey.c_str(), &hKey ) )
 118     {
 119         if ( ERROR_SUCCESS == RegQueryValueEx( hKey, TEXT("INSTALLLOCATION"), NULL, NULL, (LPBYTE)szValue, &nValueSize ) )
 120         {
 121             sInstDir = szValue;
 122         }
 123         RegCloseKey( hKey );
 124     }
 125     else if ( ERROR_SUCCESS == RegOpenKey( HKEY_LOCAL_MACHINE,  sProductKey.c_str(), &hKey ) )
 126     {
 127         if ( ERROR_SUCCESS == RegQueryValueEx( hKey, TEXT("INSTALLLOCATION"), NULL, NULL, (LPBYTE)szValue, &nValueSize ) )
 128         {
 129             sInstDir = szValue;
 130         }
 131         RegCloseKey( hKey );
 132     }
 133     else
 134         return ERROR_SUCCESS;
 135
 136     std::_tstring   sInfFile = sInstDir + TEXT("program\\postuninstall.inf");
 137     std::_tstring   sCommand = _T("RUNDLL32.EXE ");
 138
 139     // MessageBox( NULL, sInfFile.c_str(), "Titel", MB_OK );
 140
 141     sCommand += _T("setupapi.dll");
 142
 143     sCommand += _T(",InstallHinfSection PostUninstall 132 ");
 144     sCommand += sInfFile;
 145
 146     if ( 0 == _taccess( sInfFile.c_str(), 2 ) )
 147         ExecuteCommand( sCommand.c_str(), TRUE );
 148
 149     DeleteFile( sInfFile.c_str() );
 150
 151     return ERROR_SUCCESS;
 152 }
 153
 154 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */