dll/win32/fusion/fusion.c

   1 /*
   2  * Implementation of the Fusion API
   3  *
   4  * Copyright 2008 James Hawkins
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "fusionpriv.h"
  22
  23 /******************************************************************
  24  *  InitializeFusion   (FUSION.@)
  25  */
  26 HRESULT WINAPI InitializeFusion(void)
  27 {
  28     FIXME("\n");
  29     return E_NOTIMPL;
  30 }
  31
  32 /******************************************************************
  33  *  ClearDownloadCache   (FUSION.@)
  34  */
  35 HRESULT WINAPI ClearDownloadCache(void)
  36 {
  37     FIXME("stub!\n");
  38     return E_NOTIMPL;
  39 }
  40
  41 /******************************************************************
  42  *  CreateInstallReferenceEnum   (FUSION.@)
  43  */
  44 HRESULT WINAPI CreateInstallReferenceEnum(IInstallReferenceEnum **ppRefEnum,
  45                                           IAssemblyName *pName, DWORD dwFlags,
  46                                           LPVOID pvReserved)
  47 {
  48     FIXME("(%p, %p, %08x, %p) stub!\n", ppRefEnum, pName, dwFlags, pvReserved);
  49     return E_NOTIMPL;
  50 }
  51
  52 /******************************************************************
  53  *  CreateApplicationContext   (FUSION.@)
  54  */
  55 HRESULT WINAPI CreateApplicationContext(IAssemblyName *name, void *ctx)
  56 {
  57     FIXME("%p, %p\n", name, ctx);
  58     return E_NOTIMPL;
  59 }
  60
  61 static HRESULT (WINAPI *pGetCORVersion)(LPWSTR pbuffer, DWORD cchBuffer,
  62                                         DWORD *dwLength);
  63
  64 static HRESULT get_corversion(LPWSTR version, DWORD size)
  65 {
  66     HMODULE hmscoree;
  67     HRESULT hr;
  68     DWORD len;
  69
  70     hmscoree = LoadLibraryA("mscoree.dll");
  71     if (!hmscoree)
  72         return E_FAIL;
  73
  74     pGetCORVersion = (void *)GetProcAddress(hmscoree, "GetCORVersion");
  75     if (!pGetCORVersion)
  76         hr = E_FAIL;
  77     else
  78         hr = pGetCORVersion(version, size, &len);
  79
  80     FreeLibrary(hmscoree);
  81     return hr;
  82 }
  83
  84 /******************************************************************
  85  *  GetCachePath   (FUSION.@)
  86  */
  87 HRESULT WINAPI GetCachePath(ASM_CACHE_FLAGS dwCacheFlags, LPWSTR pwzCachePath,
  88                             PDWORD pcchPath)
  89 {
  90     static const WCHAR assembly[] = {'\\','a','s','s','e','m','b','l','y',0};
  91     static const WCHAR gac[] = {'\\','G','A','C',0};
  92     static const WCHAR nativeimg[] = {'N','a','t','i','v','e','I','m','a','g','e','s','_',0};
  93     static const WCHAR dotnet[] = {'\\','M','i','c','r','o','s','o','f','t','.','N','E','T',0};
  94 #ifdef _WIN64
  95     static const WCHAR zapfmt[] = {'%','s','\\','%','s','\\','%','s','%','s','_','6','4',0};
  96 #else
  97     static const WCHAR zapfmt[] = {'%','s','\\','%','s','\\','%','s','%','s','_','3','2',0};
  98 #endif
  99     WCHAR path[MAX_PATH], windir[MAX_PATH], version[MAX_PATH];
 100     DWORD len;
 101     HRESULT hr = S_OK;
 102
 103     TRACE("(%08x, %p, %p)\n", dwCacheFlags, pwzCachePath, pcchPath);
 104
 105     if (!pcchPath)
 106         return E_INVALIDARG;
 107
 108     len = GetWindowsDirectoryW(windir, MAX_PATH);
 109     strcpyW(path, windir);
 110
 111     switch (dwCacheFlags)
 112     {
 113         case ASM_CACHE_ZAP:
 114         {
 115             hr = get_corversion(version, MAX_PATH);
 116             if (FAILED(hr))
 117                 return hr;
 118
 119             len = sprintfW(path, zapfmt, windir, assembly + 1, nativeimg, version);
 120             break;
 121         }
 122         case ASM_CACHE_GAC:
 123         {
 124             strcpyW(path + len, assembly);
 125             len += sizeof(assembly)/sizeof(WCHAR) - 1;
 126             strcpyW(path + len, gac);
 127             len += sizeof(gac)/sizeof(WCHAR) - 1;
 128             break;
 129         }
 130         case ASM_CACHE_DOWNLOAD:
 131         {
 132             FIXME("Download cache not implemented\n");
 133             return E_FAIL;
 134         }
 135         case ASM_CACHE_ROOT:
 136             strcpyW(path + len, assembly);
 137             len += sizeof(assembly)/sizeof(WCHAR) - 1;
 138             break;
 139         case ASM_CACHE_ROOT_EX:
 140             strcpyW(path + len, dotnet);
 141             len += sizeof(dotnet)/sizeof(WCHAR) - 1;
 142             strcpyW(path + len, assembly);
 143             len += sizeof(assembly)/sizeof(WCHAR) - 1;
 144             break;
 145         default:
 146             return E_INVALIDARG;
 147     }
 148
 149     len++;
 150     if (*pcchPath <= len || !pwzCachePath)
 151         hr = HRESULT_FROM_WIN32(ERROR_INSUFFICIENT_BUFFER);
 152     else if (pwzCachePath)
 153         strcpyW(pwzCachePath, path);
 154
 155     *pcchPath = len;
 156     return hr;
 157 }