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

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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  28
  29 #undef UNICODE
  30 #undef _UNICODE
  31
  32 #define _WIN32_WINDOWS 0x0410
  33
  34 #ifdef _MSC_VER
  35 #pragma warning(push, 1) /* disable warnings within system headers */
  36 #endif
  37 #define WIN32_LEAN_AND_MEAN
  38 #include <windows.h>
  39 #include <msiquery.h>
  40 #ifdef _MSC_VER
  41 #pragma warning(pop)
  42 #endif
  43
  44 #include <malloc.h>
  45 #include <assert.h>
  46
  47 #include <tchar.h>
  48 #include <string>
  49 #include <systools/win32/uwinapi.h>
  50
  51 #include <../tools/seterror.hxx>
  52
  53 using namespace std;
  54
  55 namespace
  56 {
  57     string GetMsiProperty(MSIHANDLE handle, const string& sProperty)
  58     {
  59         string  result;
  60         TCHAR   szDummy[1] = TEXT("");
  61         DWORD   nChars = 0;
  62
  63         if (MsiGetProperty(handle, sProperty.c_str(), szDummy, &nChars) == ERROR_MORE_DATA)
  64         {
  65             DWORD nBytes = ++nChars * sizeof(TCHAR);
  66             LPTSTR buffer = reinterpret_cast<LPTSTR>(_alloca(nBytes));
  67             ZeroMemory( buffer, nBytes );
  68             MsiGetProperty(handle, sProperty.c_str(), buffer, &nChars);
  69             result = buffer;
  70         }
  71         return result;
  72     }
  73
  74     inline void SetMsiProperty(MSIHANDLE handle, const string& sProperty, const string& sValue)
  75     {
  76         MsiSetProperty(handle, sProperty.c_str(), sValue.c_str());
  77     }
  78
  79     void stripFinalBackslash(std::string * path) {
  80         std::string::size_type i = path->size();
  81         if (i > 1) {
  82             --i;
  83             if ((*path)[i] == '\\') {
  84                 path->erase(i);
  85             }
  86         }
  87     }
  88
  89 // Copied more or less verbatim from
  90 // desktop/source/deployment/inc/dp_version.hxx:1.5 and
  91 // desktop/source/deployment/misc/dp_version.cxx:1.5:
  92
  93 enum Order { ORDER_LESS, ORDER_EQUAL, ORDER_GREATER };
  94
  95 string getElement(string const & version, string::size_type * index) {
  96     while (*index < version.size() && version[*index] == '0') {
  97         ++*index;
  98     }
  99     string::size_type i = *index;
 100     *index = version.find('.', i);
 101     if (*index == string::npos) {
 102         *index = version.size();
 103         return string(version, i);
 104     } else {
 105         ++*index;
 106         return string(version, i, *index - 1 - i);
 107     }
 108 }
 109
 110 Order compareVersions(string const & version1, string const & version2) {
 111     for (string::size_type i1 = 0, i2 = 0;
 112          i1 < version1.size() || i2 < version2.size();)
 113     {
 114         string e1(getElement(version1, &i1));
 115         string e2(getElement(version2, &i2));
 116
 117         // string myText1 = TEXT("e1: ") + e1;
 118         // string myText2 = TEXT("e2: ") + e2;
 119         // MessageBox(NULL, myText1.c_str(), "DEBUG", MB_OK);
 120         // MessageBox(NULL, myText2.c_str(), "DEBUG", MB_OK);
 121
 122         if (e1.size() < e2.size()) {
 123             return ORDER_LESS;
 124         } else if (e1.size() > e2.size()) {
 125             return ORDER_GREATER;
 126         } else if (e1 < e2) {
 127             return ORDER_LESS;
 128         } else if (e1 > e2) {
 129             return ORDER_GREATER;
 130         }
 131     }
 132     return ORDER_EQUAL;
 133 }
 134
 135 } // namespace
 136
 137 extern "C" UINT __stdcall DotNetCheck(MSIHANDLE handle) {
 138     string present(GetMsiProperty(handle, TEXT("MsiNetAssemblySupport")));
 139     string required(GetMsiProperty(handle, TEXT("REQUIRED_DOTNET_VERSION")));
 140
 141     // string myText1 = TEXT("MsiNetAssemblySupport: ") + present;
 142     // string myText2 = TEXT("REQUIRED_DOTNET_VERSION: ") + required;
 143     // MessageBox(NULL, myText1.c_str(), "DEBUG", MB_OK);
 144     // MessageBox(NULL, myText2.c_str(), "DEBUG", MB_OK);
 145
 146     SetMsiProperty(
 147         handle, TEXT("DOTNET_SUFFICIENT"),
 148         (present.empty() || compareVersions(present, required) == ORDER_LESS ?
 149          TEXT("0") : TEXT("1")));
 150
 151     // string result(GetMsiProperty(handle, TEXT("DOTNET_SUFFICIENT")));
 152     // string myText3 = TEXT("DOTNET_SUFFICIENT: ") + result;
 153     // MessageBox(NULL, myText3.c_str(), "DEBUG", MB_OK);
 154
 155
 156     return ERROR_SUCCESS;
 157 }
 158
 159 extern "C" UINT __stdcall ShowProperties(MSIHANDLE handle)
 160 {
 161     string property = GetMsiProperty(handle, TEXT("INSTALLLOCATION"));
 162     string myText = TEXT("INSTALLLOCATION: ") + property;
 163     MessageBox(NULL, myText.c_str(), "INSTALLLOCATION", MB_OK);
 164
 165     property = GetMsiProperty(handle, TEXT("Installed"));
 166     myText = TEXT("Installed: ") + property;
 167     MessageBox(NULL, myText.c_str(), "Installed", MB_OK);
 168
 169     property = GetMsiProperty(handle, TEXT("PATCH"));
 170     myText = TEXT("PATCH: ") + property;
 171     MessageBox(NULL, myText.c_str(), "PATCH", MB_OK);
 172
 173     property = GetMsiProperty(handle, TEXT("REMOVE"));
 174     myText = TEXT("REMOVE: ") + property;
 175     MessageBox(NULL, myText.c_str(), "REMOVE", MB_OK);
 176
 177     property = GetMsiProperty(handle, TEXT("ALLUSERS"));
 178     myText = TEXT("ALLUSERS: ") + property;
 179     MessageBox(NULL, myText.c_str(), "ALLUSERS", MB_OK);
 180
 181     return ERROR_SUCCESS;
 182 }
 183
 184 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */