dlls/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 <stdarg.h>
  22
  23 #define COBJMACROS
  24
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "winuser.h"
  28 #include "ole2.h"
  29 #include "fusion.h"
  30 #include "wine/debug.h"
  31 #include "wine/unicode.h"
  32
  33 WINE_DEFAULT_DEBUG_CHANNEL(fusion);
  34
  35 /******************************************************************
  36  *  ClearDownloadCache   (FUSION.@)
  37  */
  38 HRESULT WINAPI ClearDownloadCache(void)
  39 {
  40     FIXME("stub!\n");
  41     return E_NOTIMPL;
  42 }
  43
  44 /******************************************************************
  45  *  CompareAssemblyIdentity   (FUSION.@)
  46  */
  47 HRESULT WINAPI CompareAssemblyIdentity(LPCWSTR pwzAssemblyIdentity1, BOOL fUnified1,
  48                                        LPCWSTR pwzAssemblyIdentity2, BOOL fUnified2,
  49                                        BOOL *pfEquivalent, AssemblyComparisonResult *pResult)
  50 {
  51     FIXME("(%s, %d, %s, %d, %p, %p) stub!\n", debugstr_w(pwzAssemblyIdentity1),
  52           fUnified1, debugstr_w(pwzAssemblyIdentity2), fUnified2, pfEquivalent, pResult);
  53
  54     return E_NOTIMPL;
  55 }
  56
  57 /******************************************************************
  58  *  CreateAssemblyEnum   (FUSION.@)
  59  */
  60 HRESULT WINAPI CreateAssemblyEnum(IAssemblyEnum **pEnum, IUnknown *pUnkReserved,
  61                                   IAssemblyName *pName, DWORD dwFlags, LPVOID pvReserved)
  62 {
  63     FIXME("(%p, %p, %p, %08x, %p) stub!\n", pEnum, pUnkReserved,
  64           pName, dwFlags, pvReserved);
  65
  66     return E_NOTIMPL;
  67 }
  68
  69 /******************************************************************
  70  *  CreateInstallReferenceEnum   (FUSION.@)
  71  */
  72 HRESULT WINAPI CreateInstallReferenceEnum(IInstallReferenceEnum **ppRefEnum,
  73                                           IAssemblyName *pName, DWORD dwFlags,
  74                                           LPVOID pvReserved)
  75 {
  76     FIXME("(%p, %p, %08x, %p) stub!\n", ppRefEnum, pName, dwFlags, pvReserved);
  77     return E_NOTIMPL;
  78 }
  79
  80 /******************************************************************
  81  *  GetAssemblyIdentityFromFile   (FUSION.@)
  82  */
  83 HRESULT WINAPI GetAssemblyIdentityFromFile(LPCWSTR pwzFilePath, REFIID riid,
  84                                            IUnknown **ppIdentity)
  85 {
  86     FIXME("(%s, %s, %p) stub!\n", debugstr_w(pwzFilePath), debugstr_guid(riid),
  87           ppIdentity);
  88
  89     return E_NOTIMPL;
  90 }
  91
  92 static HRESULT (WINAPI *pGetCORVersion)(LPWSTR pbuffer, DWORD cchBuffer,
  93                                         DWORD *dwLength);
  94
  95 static HRESULT get_corversion(LPWSTR version, DWORD size)
  96 {
  97     HMODULE hmscoree;
  98     HRESULT hr;
  99     DWORD len;
 100
 101     hmscoree = LoadLibraryA("mscoree.dll");
 102     if (!hmscoree)
 103         return E_FAIL;
 104
 105     pGetCORVersion = (void *)GetProcAddress(hmscoree, "GetCORVersion");
 106     if (!pGetCORVersion)
 107         return E_FAIL;
 108
 109     hr = pGetCORVersion(version, size, &len);
 110
 111     FreeLibrary(hmscoree);
 112     return hr;
 113 }
 114
 115 /******************************************************************
 116  *  GetCachePath   (FUSION.@)
 117  */
 118 HRESULT WINAPI GetCachePath(ASM_CACHE_FLAGS dwCacheFlags, LPWSTR pwzCachePath,
 119                             PDWORD pcchPath)
 120 {
 121     WCHAR path[MAX_PATH];
 122     WCHAR windir[MAX_PATH];
 123     WCHAR version[MAX_PATH];
 124     DWORD len;
 125     HRESULT hr = S_OK;
 126
 127     static const WCHAR backslash[] = {'\\',0};
 128     static const WCHAR assembly[] = {'a','s','s','e','m','b','l','y',0};
 129     static const WCHAR gac[] = {'G','A','C',0};
 130     static const WCHAR nativeimg[] = {
 131         'N','a','t','i','v','e','I','m','a','g','e','s','_',0};
 132     static const WCHAR zapfmt[] = {
 133         '%','s','\\','%','s','\\','%','s','%','s','_','3','2',0};
 134
 135     TRACE("(%08x, %p, %p)\n", dwCacheFlags, pwzCachePath, pcchPath);
 136
 137     if (!pcchPath)
 138         return E_INVALIDARG;
 139
 140     GetWindowsDirectoryW(windir, MAX_PATH);
 141     lstrcpyW(path, windir);
 142     lstrcatW(path, backslash);
 143     lstrcatW(path, assembly);
 144
 145     switch (dwCacheFlags)
 146     {
 147         case ASM_CACHE_ZAP:
 148         {
 149             hr = get_corversion(version, MAX_PATH);
 150             if (FAILED(hr))
 151                 return hr;
 152
 153             sprintfW(path, zapfmt, windir, assembly, nativeimg, version);
 154             break;
 155         }
 156
 157         case ASM_CACHE_GAC:
 158         {
 159             lstrcatW(path, backslash);
 160             lstrcatW(path, gac);
 161             break;
 162         }
 163
 164         case ASM_CACHE_DOWNLOAD:
 165         {
 166             FIXME("Download cache not implemented\n");
 167             return E_FAIL;
 168         }
 169
 170         case ASM_CACHE_ROOT:
 171             break; /* already set */
 172
 173         default:
 174             return E_INVALIDARG;
 175     }
 176
 177     len = lstrlenW(path) + 1;
 178     if (*pcchPath <= len || !pwzCachePath)
 179         hr = HRESULT_FROM_WIN32(ERROR_INSUFFICIENT_BUFFER);
 180     else if (pwzCachePath)
 181         lstrcpyW(pwzCachePath, path);
 182
 183     *pcchPath = len;
 184
 185     return hr;
 186 }