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  *  CreateInstallReferenceEnum   (FUSION.@)
  59  */
  60 HRESULT WINAPI CreateInstallReferenceEnum(IInstallReferenceEnum **ppRefEnum,
  61                                           IAssemblyName *pName, DWORD dwFlags,
  62                                           LPVOID pvReserved)
  63 {
  64     FIXME("(%p, %p, %08x, %p) stub!\n", ppRefEnum, pName, dwFlags, pvReserved);
  65     return E_NOTIMPL;
  66 }
  67
  68 /******************************************************************
  69  *  GetAssemblyIdentityFromFile   (FUSION.@)
  70  */
  71 HRESULT WINAPI GetAssemblyIdentityFromFile(LPCWSTR pwzFilePath, REFIID riid,
  72                                            IUnknown **ppIdentity)
  73 {
  74     FIXME("(%s, %s, %p) stub!\n", debugstr_w(pwzFilePath), debugstr_guid(riid),
  75           ppIdentity);
  76
  77     return E_NOTIMPL;
  78 }
  79
  80 static HRESULT (WINAPI *pGetCORVersion)(LPWSTR pbuffer, DWORD cchBuffer,
  81                                         DWORD *dwLength);
  82
  83 static HRESULT get_corversion(LPWSTR version, DWORD size)
  84 {
  85     HMODULE hmscoree;
  86     HRESULT hr;
  87     DWORD len;
  88
  89     hmscoree = LoadLibraryA("mscoree.dll");
  90     if (!hmscoree)
  91         return E_FAIL;
  92
  93     pGetCORVersion = (void *)GetProcAddress(hmscoree, "GetCORVersion");
  94     if (!pGetCORVersion)
  95         return E_FAIL;
  96
  97     hr = pGetCORVersion(version, size, &len);
  98
  99     FreeLibrary(hmscoree);
 100     return hr;
 101 }
 102
 103 /******************************************************************
 104  *  GetCachePath   (FUSION.@)
 105  */
 106 HRESULT WINAPI GetCachePath(ASM_CACHE_FLAGS dwCacheFlags, LPWSTR pwzCachePath,
 107                             PDWORD pcchPath)
 108 {
 109     WCHAR path[MAX_PATH];
 110     WCHAR windir[MAX_PATH];
 111     WCHAR version[MAX_PATH];
 112     DWORD len;
 113     HRESULT hr = S_OK;
 114
 115     static const WCHAR backslash[] = {'\\',0};
 116     static const WCHAR assembly[] = {'a','s','s','e','m','b','l','y',0};
 117     static const WCHAR gac[] = {'G','A','C',0};
 118     static const WCHAR nativeimg[] = {
 119         'N','a','t','i','v','e','I','m','a','g','e','s','_',0};
 120     static const WCHAR zapfmt[] = {
 121         '%','s','\\','%','s','\\','%','s','%','s','_','3','2',0};
 122
 123     TRACE("(%08x, %p, %p)\n", dwCacheFlags, pwzCachePath, pcchPath);
 124
 125     if (!pcchPath)
 126         return E_INVALIDARG;
 127
 128     GetWindowsDirectoryW(windir, MAX_PATH);
 129     lstrcpyW(path, windir);
 130     lstrcatW(path, backslash);
 131     lstrcatW(path, assembly);
 132
 133     switch (dwCacheFlags)
 134     {
 135         case ASM_CACHE_ZAP:
 136         {
 137             hr = get_corversion(version, MAX_PATH);
 138             if (FAILED(hr))
 139                 return hr;
 140
 141             sprintfW(path, zapfmt, windir, assembly, nativeimg, version);
 142             break;
 143         }
 144
 145         case ASM_CACHE_GAC:
 146         {
 147             lstrcatW(path, backslash);
 148             lstrcatW(path, gac);
 149             break;
 150         }
 151
 152         case ASM_CACHE_DOWNLOAD:
 153         {
 154             FIXME("Download cache not implemented\n");
 155             return E_FAIL;
 156         }
 157
 158         case ASM_CACHE_ROOT:
 159             break; /* already set */
 160
 161         default:
 162             return E_INVALIDARG;
 163     }
 164
 165     len = lstrlenW(path) + 1;
 166     if (*pcchPath <= len || !pwzCachePath)
 167         hr = HRESULT_FROM_WIN32(ERROR_INSUFFICIENT_BUFFER);
 168     else if (pwzCachePath)
 169         lstrcpyW(pwzCachePath, path);
 170
 171     *pcchPath = len;
 172
 173     return hr;
 174 }