xref: /reactos/dll/win32/fusion/fusion.c (revision f4d29a74)
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 /******************************************************************
37  *  InitializeFusion   (FUSION.@)
38  */
39 HRESULT WINAPI InitializeFusion(void)
40 {
41     FIXME("\n");
42     return S_OK;
43 }
44 
45 /******************************************************************
46  *  ClearDownloadCache   (FUSION.@)
47  */
48 HRESULT WINAPI ClearDownloadCache(void)
49 {
50     FIXME("stub!\n");
51     return E_NOTIMPL;
52 }
53 
54 /******************************************************************
55  *  CopyPDBs   (FUSION.@)
56  */
57 HRESULT WINAPI CopyPDBs(void *unknown)
58 {
59     FIXME("(%p) stub!\n", unknown);
60     return E_NOTIMPL;
61 }
62 
63 /******************************************************************
64  *  CreateInstallReferenceEnum   (FUSION.@)
65  */
66 HRESULT WINAPI CreateInstallReferenceEnum(IInstallReferenceEnum **ppRefEnum,
67                                           IAssemblyName *pName, DWORD dwFlags,
68                                           LPVOID pvReserved)
69 {
70     FIXME("(%p, %p, %08x, %p) stub!\n", ppRefEnum, pName, dwFlags, pvReserved);
71     return E_NOTIMPL;
72 }
73 
74 /******************************************************************
75  *  CreateApplicationContext   (FUSION.@)
76  */
77 HRESULT WINAPI CreateApplicationContext(IAssemblyName *name, void *ctx)
78 {
79     FIXME("%p, %p\n", name, ctx);
80     return E_NOTIMPL;
81 }
82 
83 static HRESULT (WINAPI *pGetCORVersion)(LPWSTR pbuffer, DWORD cchBuffer,
84                                         DWORD *dwLength);
85 
86 static HRESULT get_corversion(LPWSTR version, DWORD size)
87 {
88     HMODULE hmscoree;
89     HRESULT hr;
90     DWORD len;
91 
92     hmscoree = LoadLibraryA("mscoree.dll");
93     if (!hmscoree)
94         return E_FAIL;
95 
96     pGetCORVersion = (void *)GetProcAddress(hmscoree, "GetCORVersion");
97     if (!pGetCORVersion)
98         hr = E_FAIL;
99     else
100         hr = pGetCORVersion(version, size, &len);
101 
102     FreeLibrary(hmscoree);
103     return hr;
104 }
105 
106 /******************************************************************
107  *  GetCachePath   (FUSION.@)
108  */
109 HRESULT WINAPI GetCachePath(ASM_CACHE_FLAGS dwCacheFlags, LPWSTR pwzCachePath,
110                             PDWORD pcchPath)
111 {
112     static const WCHAR assembly[] = {'\\','a','s','s','e','m','b','l','y',0};
113     static const WCHAR gac[] = {'\\','G','A','C',0};
114     static const WCHAR nativeimg[] = {'N','a','t','i','v','e','I','m','a','g','e','s','_',0};
115     static const WCHAR dotnet[] = {'\\','M','i','c','r','o','s','o','f','t','.','N','E','T',0};
116 #ifdef _WIN64
117     static const WCHAR zapfmt[] = {'%','s','\\','%','s','\\','%','s','%','s','_','6','4',0};
118 #else
119     static const WCHAR zapfmt[] = {'%','s','\\','%','s','\\','%','s','%','s','_','3','2',0};
120 #endif
121     WCHAR path[MAX_PATH], windir[MAX_PATH], version[MAX_PATH];
122     DWORD len;
123     HRESULT hr = S_OK;
124 
125     TRACE("(%08x, %p, %p)\n", dwCacheFlags, pwzCachePath, pcchPath);
126 
127     if (!pcchPath)
128         return E_INVALIDARG;
129 
130     len = GetWindowsDirectoryW(windir, MAX_PATH);
131     strcpyW(path, windir);
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             len = sprintfW(path, zapfmt, windir, assembly + 1, nativeimg, version);
142             break;
143         }
144         case ASM_CACHE_GAC:
145         {
146             strcpyW(path + len, assembly);
147             len += ARRAY_SIZE(assembly) - 1;
148             strcpyW(path + len, gac);
149             len += ARRAY_SIZE(gac) - 1;
150             break;
151         }
152         case ASM_CACHE_DOWNLOAD:
153         {
154             FIXME("Download cache not implemented\n");
155             return E_FAIL;
156         }
157         case ASM_CACHE_ROOT:
158             strcpyW(path + len, assembly);
159             len += ARRAY_SIZE(assembly) - 1;
160             break;
161         case ASM_CACHE_ROOT_EX:
162             strcpyW(path + len, dotnet);
163             len += ARRAY_SIZE(dotnet) - 1;
164             strcpyW(path + len, assembly);
165             len += ARRAY_SIZE(assembly) - 1;
166             break;
167         default:
168             return E_INVALIDARG;
169     }
170 
171     len++;
172     if (*pcchPath <= len || !pwzCachePath)
173         hr = E_NOT_SUFFICIENT_BUFFER;
174     else if (pwzCachePath)
175         strcpyW(pwzCachePath, path);
176 
177     *pcchPath = len;
178     return hr;
179 }
180