winealsa: Map ALSA errors to AUDCLNT_E_*.
[wine] / dlls / mscoree / metahost.c
1 /*
2  * ICLRMetaHost - discovery and management of available .NET runtimes
3  *
4  * Copyright 2010 Vincent Povirk for CodeWeavers
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 <stdio.h>
22 #include <stdarg.h>
23 #include <assert.h>
24
25 #define COBJMACROS
26
27 #include "wine/unicode.h"
28 #include "wine/library.h"
29 #include "windef.h"
30 #include "winbase.h"
31 #include "winreg.h"
32 #include "ole2.h"
33
34 #include "corerror.h"
35 #include "cor.h"
36 #include "mscoree.h"
37 #include "corhdr.h"
38 #include "cordebug.h"
39 #include "metahost.h"
40 #include "fusion.h"
41 #include "wine/list.h"
42 #include "mscoree_private.h"
43
44 #include "wine/debug.h"
45
46 WINE_DEFAULT_DEBUG_CHANNEL( mscoree );
47
48 static const WCHAR net_11_subdir[] = {'1','.','0',0};
49 static const WCHAR net_20_subdir[] = {'2','.','0',0};
50 static const WCHAR net_40_subdir[] = {'4','.','0',0};
51
52 static const struct ICLRRuntimeInfoVtbl CLRRuntimeInfoVtbl;
53
54 #define NUM_RUNTIMES 3
55
56 static struct CLRRuntimeInfo runtimes[NUM_RUNTIMES] = {
57     {{&CLRRuntimeInfoVtbl}, net_11_subdir, 1, 1, 4322, 0},
58     {{&CLRRuntimeInfoVtbl}, net_20_subdir, 2, 0, 50727, 0},
59     {{&CLRRuntimeInfoVtbl}, net_40_subdir, 4, 0, 30319, 0}
60 };
61
62 static int runtimes_initialized;
63
64 static CRITICAL_SECTION runtime_list_cs;
65 static CRITICAL_SECTION_DEBUG runtime_list_cs_debug =
66 {
67     0, 0, &runtime_list_cs,
68     { &runtime_list_cs_debug.ProcessLocksList,
69       &runtime_list_cs_debug.ProcessLocksList },
70       0, 0, { (DWORD_PTR)(__FILE__ ": runtime_list_cs") }
71 };
72 static CRITICAL_SECTION runtime_list_cs = { &runtime_list_cs_debug, -1, 0, 0, 0, 0 };
73
74 #define NUM_ABI_VERSIONS 2
75
76 static loaded_mono loaded_monos[NUM_ABI_VERSIONS];
77
78 static BOOL find_mono_dll(LPCWSTR path, LPWSTR dll_path, int abi_version);
79
80 static MonoAssembly* mono_assembly_search_hook_fn(MonoAssemblyName *aname, char **assemblies_path, void *user_data);
81
82 static void mono_shutdown_callback_fn(MonoProfiler *prof);
83
84 static void set_environment(LPCWSTR bin_path)
85 {
86     WCHAR path_env[MAX_PATH];
87     int len;
88
89     static const WCHAR pathW[] = {'P','A','T','H',0};
90
91     /* We have to modify PATH as Mono loads other DLLs from this directory. */
92     GetEnvironmentVariableW(pathW, path_env, sizeof(path_env)/sizeof(WCHAR));
93     len = strlenW(path_env);
94     path_env[len++] = ';';
95     strcpyW(path_env+len, bin_path);
96     SetEnvironmentVariableW(pathW, path_env);
97 }
98
99 static void CDECL do_nothing(void)
100 {
101 }
102
103 static void missing_runtime_message(const CLRRuntimeInfo *This)
104 {
105     if (This->major == 1)
106         MESSAGE("wine: Install Mono 2.6 for Windows to run .NET 1.1 applications.\n");
107     else if (This->major == 2)
108         MESSAGE("wine: Install Mono for Windows to run .NET 2.0 applications.\n");
109     else if (This->major == 4)
110         MESSAGE("wine: Install Mono 2.8 or greater for Windows to run .NET 4.0 applications.\n");
111 }
112
113 static HRESULT load_mono(CLRRuntimeInfo *This, loaded_mono **result)
114 {
115     static const WCHAR bin[] = {'\\','b','i','n',0};
116     static const WCHAR lib[] = {'\\','l','i','b',0};
117     static const WCHAR etc[] = {'\\','e','t','c',0};
118     static const WCHAR glibdll[] = {'l','i','b','g','l','i','b','-','2','.','0','-','0','.','d','l','l',0};
119     WCHAR mono_dll_path[MAX_PATH+16], mono_bin_path[MAX_PATH+4];
120     WCHAR mono_lib_path[MAX_PATH+4], mono_etc_path[MAX_PATH+4];
121     char mono_lib_path_a[MAX_PATH], mono_etc_path_a[MAX_PATH];
122     int trace_size;
123     char trace_setting[256];
124
125     if (This->mono_abi_version <= 0 || This->mono_abi_version > NUM_ABI_VERSIONS)
126     {
127         missing_runtime_message(This);
128         return E_FAIL;
129     }
130
131     *result = &loaded_monos[This->mono_abi_version-1];
132
133     if ((*result)->is_shutdown)
134     {
135         ERR("Cannot load Mono after it has been shut down.\n");
136         *result = NULL;
137         return E_FAIL;
138     }
139
140     if (!(*result)->mono_handle)
141     {
142         strcpyW(mono_bin_path, This->mono_path);
143         strcatW(mono_bin_path, bin);
144         set_environment(mono_bin_path);
145
146         strcpyW(mono_lib_path, This->mono_path);
147         strcatW(mono_lib_path, lib);
148         WideCharToMultiByte(CP_UTF8, 0, mono_lib_path, -1, mono_lib_path_a, MAX_PATH, NULL, NULL);
149
150         strcpyW(mono_etc_path, This->mono_path);
151         strcatW(mono_etc_path, etc);
152         WideCharToMultiByte(CP_UTF8, 0, mono_etc_path, -1, mono_etc_path_a, MAX_PATH, NULL, NULL);
153
154         if (!find_mono_dll(This->mono_path, mono_dll_path, This->mono_abi_version)) goto fail;
155
156         (*result)->mono_handle = LoadLibraryW(mono_dll_path);
157
158         if (!(*result)->mono_handle) goto fail;
159
160 #define LOAD_MONO_FUNCTION(x) do { \
161     (*result)->x = (void*)GetProcAddress((*result)->mono_handle, #x); \
162     if (!(*result)->x) { \
163         goto fail; \
164     } \
165 } while (0);
166
167         LOAD_MONO_FUNCTION(mono_assembly_get_image);
168         LOAD_MONO_FUNCTION(mono_assembly_open);
169         LOAD_MONO_FUNCTION(mono_config_parse);
170         LOAD_MONO_FUNCTION(mono_class_from_mono_type);
171         LOAD_MONO_FUNCTION(mono_class_from_name);
172         LOAD_MONO_FUNCTION(mono_class_get_method_from_name);
173         LOAD_MONO_FUNCTION(mono_domain_assembly_open);
174         LOAD_MONO_FUNCTION(mono_install_assembly_preload_hook);
175         LOAD_MONO_FUNCTION(mono_jit_exec);
176         LOAD_MONO_FUNCTION(mono_jit_init);
177         LOAD_MONO_FUNCTION(mono_jit_set_trace_options);
178         LOAD_MONO_FUNCTION(mono_object_get_domain);
179         LOAD_MONO_FUNCTION(mono_object_new);
180         LOAD_MONO_FUNCTION(mono_object_unbox);
181         LOAD_MONO_FUNCTION(mono_profiler_install);
182         LOAD_MONO_FUNCTION(mono_reflection_type_from_name);
183         LOAD_MONO_FUNCTION(mono_runtime_invoke);
184         LOAD_MONO_FUNCTION(mono_runtime_object_init);
185         LOAD_MONO_FUNCTION(mono_runtime_quit);
186         LOAD_MONO_FUNCTION(mono_set_dirs);
187         LOAD_MONO_FUNCTION(mono_stringify_assembly_name);
188         LOAD_MONO_FUNCTION(mono_string_new);
189
190         /* GLib imports obsoleted by the 2.0 ABI */
191         if (This->mono_abi_version == 1)
192         {
193             (*result)->glib_handle = LoadLibraryW(glibdll);
194             if (!(*result)->glib_handle) goto fail;
195
196             (*result)->mono_free = (void*)GetProcAddress((*result)->glib_handle, "g_free");
197             if (!(*result)->mono_free) goto fail;
198         }
199         else
200         {
201             LOAD_MONO_FUNCTION(mono_free);
202         }
203
204 #undef LOAD_MONO_FUNCTION
205
206 #define LOAD_OPT_VOID_MONO_FUNCTION(x) do { \
207     (*result)->x = (void*)GetProcAddress((*result)->mono_handle, #x); \
208     if (!(*result)->x) { \
209         (*result)->x = do_nothing; \
210     } \
211 } while (0);
212
213         LOAD_OPT_VOID_MONO_FUNCTION(mono_runtime_set_shutting_down);
214         LOAD_OPT_VOID_MONO_FUNCTION(mono_thread_pool_cleanup);
215         LOAD_OPT_VOID_MONO_FUNCTION(mono_thread_suspend_all_other_threads);
216         LOAD_OPT_VOID_MONO_FUNCTION(mono_threads_set_shutting_down);
217
218 #undef LOAD_OPT_VOID_MONO_FUNCTION
219
220         (*result)->mono_profiler_install((MonoProfiler*)*result, mono_shutdown_callback_fn);
221
222         (*result)->mono_set_dirs(mono_lib_path_a, mono_etc_path_a);
223
224         (*result)->mono_config_parse(NULL);
225
226         (*result)->mono_install_assembly_preload_hook(mono_assembly_search_hook_fn, *result);
227
228         trace_size = GetEnvironmentVariableA("WINE_MONO_TRACE", trace_setting, sizeof(trace_setting));
229
230         if (trace_size)
231         {
232             (*result)->mono_jit_set_trace_options(trace_setting);
233         }
234     }
235
236     return S_OK;
237
238 fail:
239     ERR("Could not load Mono into this process\n");
240     FreeLibrary((*result)->mono_handle);
241     FreeLibrary((*result)->glib_handle);
242     (*result)->mono_handle = NULL;
243     (*result)->glib_handle = NULL;
244     return E_FAIL;
245 }
246
247 static void mono_shutdown_callback_fn(MonoProfiler *prof)
248 {
249     loaded_mono *mono = (loaded_mono*)prof;
250
251     mono->is_shutdown = TRUE;
252 }
253
254 static HRESULT CLRRuntimeInfo_GetRuntimeHost(CLRRuntimeInfo *This, RuntimeHost **result)
255 {
256     HRESULT hr = S_OK;
257     loaded_mono *ploaded_mono;
258
259     if (This->loaded_runtime)
260     {
261         *result = This->loaded_runtime;
262         return hr;
263     }
264
265     EnterCriticalSection(&runtime_list_cs);
266
267     hr = load_mono(This, &ploaded_mono);
268
269     if (SUCCEEDED(hr))
270         hr = RuntimeHost_Construct(This, ploaded_mono, &This->loaded_runtime);
271
272     LeaveCriticalSection(&runtime_list_cs);
273
274     if (SUCCEEDED(hr))
275         *result = This->loaded_runtime;
276
277     return hr;
278 }
279
280 void unload_all_runtimes(void)
281 {
282     int i;
283
284     for (i=0; i<NUM_ABI_VERSIONS; i++)
285     {
286         loaded_mono *mono = &loaded_monos[i];
287         if (mono->mono_handle && mono->is_started && !mono->is_shutdown)
288         {
289             /* Copied from Mono's ves_icall_System_Environment_Exit */
290             mono->mono_threads_set_shutting_down();
291             mono->mono_runtime_set_shutting_down();
292             mono->mono_thread_pool_cleanup();
293             mono->mono_thread_suspend_all_other_threads();
294             mono->mono_runtime_quit();
295         }
296     }
297
298     for (i=0; i<NUM_RUNTIMES; i++)
299         if (runtimes[i].loaded_runtime)
300             RuntimeHost_Destroy(runtimes[i].loaded_runtime);
301 }
302
303 void expect_no_runtimes(void)
304 {
305     int i;
306
307     for (i=0; i<NUM_ABI_VERSIONS; i++)
308     {
309         loaded_mono *mono = &loaded_monos[i];
310         if (mono->mono_handle && mono->is_started && !mono->is_shutdown)
311         {
312             ERR("Process exited with a Mono runtime loaded.\n");
313             return;
314         }
315     }
316 }
317
318 static inline CLRRuntimeInfo *impl_from_ICLRRuntimeInfo(ICLRRuntimeInfo *iface)
319 {
320     return CONTAINING_RECORD(iface, CLRRuntimeInfo, ICLRRuntimeInfo_iface);
321 }
322
323 static HRESULT WINAPI CLRRuntimeInfo_QueryInterface(ICLRRuntimeInfo* iface,
324         REFIID riid,
325         void **ppvObject)
326 {
327     TRACE("%p %s %p\n", iface, debugstr_guid(riid), ppvObject);
328
329     if ( IsEqualGUID( riid, &IID_ICLRRuntimeInfo ) ||
330          IsEqualGUID( riid, &IID_IUnknown ) )
331     {
332         *ppvObject = iface;
333     }
334     else
335     {
336         FIXME("Unsupported interface %s\n", debugstr_guid(riid));
337         return E_NOINTERFACE;
338     }
339
340     ICLRRuntimeInfo_AddRef( iface );
341
342     return S_OK;
343 }
344
345 static ULONG WINAPI CLRRuntimeInfo_AddRef(ICLRRuntimeInfo* iface)
346 {
347     return 2;
348 }
349
350 static ULONG WINAPI CLRRuntimeInfo_Release(ICLRRuntimeInfo* iface)
351 {
352     return 1;
353 }
354
355 static HRESULT WINAPI CLRRuntimeInfo_GetVersionString(ICLRRuntimeInfo* iface,
356     LPWSTR pwzBuffer, DWORD *pcchBuffer)
357 {
358     struct CLRRuntimeInfo *This = impl_from_ICLRRuntimeInfo(iface);
359     DWORD buffer_size = *pcchBuffer;
360     HRESULT hr = S_OK;
361     char version[11];
362     DWORD size;
363
364     TRACE("%p %p %p\n", iface, pwzBuffer, pcchBuffer);
365
366     size = snprintf(version, sizeof(version), "v%u.%u.%u", This->major, This->minor, This->build);
367
368     assert(size <= sizeof(version));
369
370     *pcchBuffer = MultiByteToWideChar(CP_UTF8, 0, version, -1, NULL, 0);
371
372     if (pwzBuffer)
373     {
374         if (buffer_size >= *pcchBuffer)
375             MultiByteToWideChar(CP_UTF8, 0, version, -1, pwzBuffer, buffer_size);
376         else
377             hr = HRESULT_FROM_WIN32(ERROR_INSUFFICIENT_BUFFER);
378     }
379
380     return hr;
381 }
382
383 static BOOL get_install_root(LPWSTR install_dir)
384 {
385     const WCHAR dotnet_key[] = {'S','O','F','T','W','A','R','E','\\','M','i','c','r','o','s','o','f','t','\\','.','N','E','T','F','r','a','m','e','w','o','r','k','\\',0};
386     const WCHAR install_root[] = {'I','n','s','t','a','l','l','R','o','o','t',0};
387
388     DWORD len;
389     HKEY key;
390
391     if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, dotnet_key, 0, KEY_READ, &key))
392         return FALSE;
393
394     len = MAX_PATH;
395     if (RegQueryValueExW(key, install_root, 0, NULL, (LPBYTE)install_dir, &len))
396     {
397         RegCloseKey(key);
398         return FALSE;
399     }
400     RegCloseKey(key);
401
402     return TRUE;
403 }
404
405 static HRESULT WINAPI CLRRuntimeInfo_GetRuntimeDirectory(ICLRRuntimeInfo* iface,
406     LPWSTR pwzBuffer, DWORD *pcchBuffer)
407 {
408     static const WCHAR slash[] = {'\\',0};
409     DWORD buffer_size = *pcchBuffer;
410     WCHAR system_dir[MAX_PATH];
411     WCHAR version[MAX_PATH];
412     DWORD version_size, size;
413     HRESULT hr = S_OK;
414
415     TRACE("%p %p %p\n", iface, pwzBuffer, pcchBuffer);
416
417     if (!get_install_root(system_dir))
418     {
419         ERR("error reading registry key for installroot\n");
420         return E_FAIL;
421     }
422     else
423     {
424         version_size = MAX_PATH;
425         ICLRRuntimeInfo_GetVersionString(iface, version, &version_size);
426         lstrcatW(system_dir, version);
427         lstrcatW(system_dir, slash);
428         size = lstrlenW(system_dir) + 1;
429     }
430
431     *pcchBuffer = size;
432
433     if (pwzBuffer)
434     {
435         if (buffer_size >= size)
436             strcpyW(pwzBuffer, system_dir);
437         else
438             hr = HRESULT_FROM_WIN32(ERROR_INSUFFICIENT_BUFFER);
439     }
440
441     return hr;
442 }
443
444 static HRESULT WINAPI CLRRuntimeInfo_IsLoaded(ICLRRuntimeInfo* iface,
445     HANDLE hndProcess, BOOL *pbLoaded)
446 {
447     FIXME("%p %p %p\n", iface, hndProcess, pbLoaded);
448
449     return E_NOTIMPL;
450 }
451
452 static HRESULT WINAPI CLRRuntimeInfo_LoadErrorString(ICLRRuntimeInfo* iface,
453     UINT iResourceID, LPWSTR pwzBuffer, DWORD *pcchBuffer, LONG iLocaleid)
454 {
455     FIXME("%p %u %p %p %x\n", iface, iResourceID, pwzBuffer, pcchBuffer, iLocaleid);
456
457     return E_NOTIMPL;
458 }
459
460 static HRESULT WINAPI CLRRuntimeInfo_LoadLibrary(ICLRRuntimeInfo* iface,
461     LPCWSTR pwzDllName, HMODULE *phndModule)
462 {
463     WCHAR version[MAX_PATH];
464     HRESULT hr;
465     DWORD cchBuffer;
466
467     TRACE("%p %s %p\n", iface, debugstr_w(pwzDllName), phndModule);
468
469     cchBuffer = MAX_PATH;
470     hr = ICLRRuntimeInfo_GetVersionString(iface, version, &cchBuffer);
471     if (FAILED(hr)) return hr;
472
473     return LoadLibraryShim(pwzDllName, version, NULL, phndModule);
474 }
475
476 static HRESULT WINAPI CLRRuntimeInfo_GetProcAddress(ICLRRuntimeInfo* iface,
477     LPCSTR pszProcName, LPVOID *ppProc)
478 {
479     FIXME("%p %s %p\n", iface, debugstr_a(pszProcName), ppProc);
480
481     return E_NOTIMPL;
482 }
483
484 static HRESULT WINAPI CLRRuntimeInfo_GetInterface(ICLRRuntimeInfo* iface,
485     REFCLSID rclsid, REFIID riid, LPVOID *ppUnk)
486 {
487     struct CLRRuntimeInfo *This = impl_from_ICLRRuntimeInfo(iface);
488     RuntimeHost *host;
489     HRESULT hr;
490
491     TRACE("%p %s %s %p\n", iface, debugstr_guid(rclsid), debugstr_guid(riid), ppUnk);
492
493     hr = CLRRuntimeInfo_GetRuntimeHost(This, &host);
494
495     if (SUCCEEDED(hr))
496         hr = RuntimeHost_GetInterface(host, rclsid, riid, ppUnk);
497
498     return hr;
499 }
500
501 static HRESULT WINAPI CLRRuntimeInfo_IsLoadable(ICLRRuntimeInfo* iface,
502     BOOL *pbLoadable)
503 {
504     FIXME("%p %p\n", iface, pbLoadable);
505
506     return E_NOTIMPL;
507 }
508
509 static HRESULT WINAPI CLRRuntimeInfo_SetDefaultStartupFlags(ICLRRuntimeInfo* iface,
510     DWORD dwStartupFlags, LPCWSTR pwzHostConfigFile)
511 {
512     FIXME("%p %x %s\n", iface, dwStartupFlags, debugstr_w(pwzHostConfigFile));
513
514     return E_NOTIMPL;
515 }
516
517 static HRESULT WINAPI CLRRuntimeInfo_GetDefaultStartupFlags(ICLRRuntimeInfo* iface,
518     DWORD *pdwStartupFlags, LPWSTR pwzHostConfigFile, DWORD *pcchHostConfigFile)
519 {
520     FIXME("%p %p %p %p\n", iface, pdwStartupFlags, pwzHostConfigFile, pcchHostConfigFile);
521
522     return E_NOTIMPL;
523 }
524
525 static HRESULT WINAPI CLRRuntimeInfo_BindAsLegacyV2Runtime(ICLRRuntimeInfo* iface)
526 {
527     FIXME("%p\n", iface);
528
529     return E_NOTIMPL;
530 }
531
532 static HRESULT WINAPI CLRRuntimeInfo_IsStarted(ICLRRuntimeInfo* iface,
533     BOOL *pbStarted, DWORD *pdwStartupFlags)
534 {
535     FIXME("%p %p %p\n", iface, pbStarted, pdwStartupFlags);
536
537     return E_NOTIMPL;
538 }
539
540 static const struct ICLRRuntimeInfoVtbl CLRRuntimeInfoVtbl = {
541     CLRRuntimeInfo_QueryInterface,
542     CLRRuntimeInfo_AddRef,
543     CLRRuntimeInfo_Release,
544     CLRRuntimeInfo_GetVersionString,
545     CLRRuntimeInfo_GetRuntimeDirectory,
546     CLRRuntimeInfo_IsLoaded,
547     CLRRuntimeInfo_LoadErrorString,
548     CLRRuntimeInfo_LoadLibrary,
549     CLRRuntimeInfo_GetProcAddress,
550     CLRRuntimeInfo_GetInterface,
551     CLRRuntimeInfo_IsLoadable,
552     CLRRuntimeInfo_SetDefaultStartupFlags,
553     CLRRuntimeInfo_GetDefaultStartupFlags,
554     CLRRuntimeInfo_BindAsLegacyV2Runtime,
555     CLRRuntimeInfo_IsStarted
556 };
557
558 HRESULT ICLRRuntimeInfo_GetRuntimeHost(ICLRRuntimeInfo *iface, RuntimeHost **result)
559 {
560     struct CLRRuntimeInfo *This = impl_from_ICLRRuntimeInfo(iface);
561
562     assert(This->ICLRRuntimeInfo_iface.lpVtbl == &CLRRuntimeInfoVtbl);
563
564     return CLRRuntimeInfo_GetRuntimeHost(This, result);
565 }
566
567 static BOOL find_mono_dll(LPCWSTR path, LPWSTR dll_path, int abi_version)
568 {
569     static const WCHAR mono_dll[] = {'\\','b','i','n','\\','m','o','n','o','.','d','l','l',0};
570     static const WCHAR libmono_dll[] = {'\\','b','i','n','\\','l','i','b','m','o','n','o','.','d','l','l',0};
571     static const WCHAR mono2_dll[] = {'\\','b','i','n','\\','m','o','n','o','-','2','.','0','.','d','l','l',0};
572     static const WCHAR libmono2_dll[] = {'\\','b','i','n','\\','l','i','b','m','o','n','o','-','2','.','0','.','d','l','l',0};
573     DWORD attributes=INVALID_FILE_ATTRIBUTES;
574
575     if (abi_version == 1)
576     {
577         strcpyW(dll_path, path);
578         strcatW(dll_path, mono_dll);
579         attributes = GetFileAttributesW(dll_path);
580
581         if (attributes == INVALID_FILE_ATTRIBUTES)
582         {
583             strcpyW(dll_path, path);
584             strcatW(dll_path, libmono_dll);
585             attributes = GetFileAttributesW(dll_path);
586         }
587     }
588     else if (abi_version == 2)
589     {
590         strcpyW(dll_path, path);
591         strcatW(dll_path, mono2_dll);
592         attributes = GetFileAttributesW(dll_path);
593
594         if (attributes == INVALID_FILE_ATTRIBUTES)
595         {
596             strcpyW(dll_path, path);
597             strcatW(dll_path, libmono2_dll);
598             attributes = GetFileAttributesW(dll_path);
599         }
600     }
601
602     return (attributes != INVALID_FILE_ATTRIBUTES);
603 }
604
605 static BOOL get_mono_path_from_registry(LPWSTR path, int abi_version)
606 {
607     static const WCHAR mono_key[] = {'S','o','f','t','w','a','r','e','\\','N','o','v','e','l','l','\\','M','o','n','o',0};
608     static const WCHAR defaul_clr[] = {'D','e','f','a','u','l','t','C','L','R',0};
609     static const WCHAR install_root[] = {'S','d','k','I','n','s','t','a','l','l','R','o','o','t',0};
610     static const WCHAR slash[] = {'\\',0};
611
612     WCHAR version[64], version_key[MAX_PATH];
613     DWORD len;
614     HKEY key;
615     WCHAR dll_path[MAX_PATH];
616
617     if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, mono_key, 0, KEY_READ, &key))
618         return FALSE;
619
620     len = sizeof(version);
621     if (RegQueryValueExW(key, defaul_clr, 0, NULL, (LPBYTE)version, &len))
622     {
623         RegCloseKey(key);
624         return FALSE;
625     }
626     RegCloseKey(key);
627
628     lstrcpyW(version_key, mono_key);
629     lstrcatW(version_key, slash);
630     lstrcatW(version_key, version);
631
632     if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, version_key, 0, KEY_READ, &key))
633         return FALSE;
634
635     len = sizeof(WCHAR) * MAX_PATH;
636     if (RegQueryValueExW(key, install_root, 0, NULL, (LPBYTE)path, &len))
637     {
638         RegCloseKey(key);
639         return FALSE;
640     }
641     RegCloseKey(key);
642
643     return find_mono_dll(path, dll_path, abi_version);
644 }
645
646 static BOOL get_mono_path_from_folder(LPCWSTR folder, LPWSTR mono_path, int abi_version)
647 {
648     static const WCHAR mono_one_dot_zero[] = {'\\','m','o','n','o','-','1','.','0', 0};
649     static const WCHAR mono_two_dot_zero[] = {'\\','m','o','n','o','-','2','.','0', 0};
650     WCHAR mono_dll_path[MAX_PATH];
651     BOOL found = FALSE;
652
653     strcpyW(mono_path, folder);
654
655     if (abi_version == 1)
656         strcatW(mono_path, mono_one_dot_zero);
657     else if (abi_version == 2)
658         strcatW(mono_path, mono_two_dot_zero);
659
660     found = find_mono_dll(mono_path, mono_dll_path, abi_version);
661
662     return found;
663 }
664
665 static BOOL get_mono_path(LPWSTR path, int abi_version)
666 {
667     static const WCHAR subdir_mono[] = {'\\','m','o','n','o',0};
668     static const WCHAR sibling_mono[] = {'\\','.','.','\\','m','o','n','o',0};
669     WCHAR base_path[MAX_PATH];
670     const char *unix_data_dir;
671     WCHAR *dos_data_dir;
672     int build_tree=0;
673     static WCHAR* (CDECL *wine_get_dos_file_name)(const char*);
674
675     /* First try c:\windows\mono */
676     GetWindowsDirectoryW(base_path, MAX_PATH);
677     strcatW(base_path, subdir_mono);
678
679     if (get_mono_path_from_folder(base_path, path, abi_version))
680         return TRUE;
681
682     /* Next: /usr/share/wine/mono */
683     unix_data_dir = wine_get_data_dir();
684
685     if (!unix_data_dir)
686     {
687         unix_data_dir = wine_get_build_dir();
688         build_tree = 1;
689     }
690
691     if (unix_data_dir)
692     {
693         if (!wine_get_dos_file_name)
694             wine_get_dos_file_name = (void*)GetProcAddress(GetModuleHandleA("kernel32"), "wine_get_dos_file_name");
695
696         if (wine_get_dos_file_name)
697         {
698             dos_data_dir = wine_get_dos_file_name(unix_data_dir);
699
700             if (dos_data_dir)
701             {
702                 strcpyW(base_path, dos_data_dir);
703                 strcatW(base_path, build_tree ? sibling_mono : subdir_mono);
704
705                 HeapFree(GetProcessHeap(), 0, dos_data_dir);
706
707                 if (get_mono_path_from_folder(base_path, path, abi_version))
708                     return TRUE;
709             }
710         }
711     }
712
713     /* Last: the registry */
714     return get_mono_path_from_registry(path, abi_version);
715 }
716
717 static void find_runtimes(void)
718 {
719     int abi_version, i;
720     static const WCHAR libmono[] = {'\\','l','i','b','\\','m','o','n','o','\\',0};
721     static const WCHAR mscorlib[] = {'\\','m','s','c','o','r','l','i','b','.','d','l','l',0};
722     WCHAR mono_path[MAX_PATH], lib_path[MAX_PATH];
723     BOOL any_runtimes_found = FALSE;
724
725     if (runtimes_initialized) return;
726
727     EnterCriticalSection(&runtime_list_cs);
728
729     if (runtimes_initialized) goto end;
730
731     for (abi_version=NUM_ABI_VERSIONS; abi_version>0; abi_version--)
732     {
733         if (!get_mono_path(mono_path, abi_version))
734             continue;
735
736         for (i=0; i<NUM_RUNTIMES; i++)
737         {
738             if (runtimes[i].mono_abi_version == 0)
739             {
740                 strcpyW(lib_path, mono_path);
741                 strcatW(lib_path, libmono);
742                 strcatW(lib_path, runtimes[i].mono_libdir);
743                 strcatW(lib_path, mscorlib);
744
745                 if (GetFileAttributesW(lib_path) != INVALID_FILE_ATTRIBUTES)
746                 {
747                     runtimes[i].mono_abi_version = abi_version;
748
749                     strcpyW(runtimes[i].mono_path, mono_path);
750                     strcpyW(runtimes[i].mscorlib_path, lib_path);
751
752                     any_runtimes_found = TRUE;
753                 }
754             }
755         }
756     }
757
758     if (!any_runtimes_found)
759     {
760         /* Report all runtimes are available if Mono isn't installed.
761          * FIXME: Remove this when Mono is properly packaged. */
762         for (i=0; i<NUM_RUNTIMES; i++)
763             runtimes[i].mono_abi_version = -1;
764     }
765
766     runtimes_initialized = 1;
767
768 end:
769     LeaveCriticalSection(&runtime_list_cs);
770 }
771
772 struct InstalledRuntimeEnum
773 {
774     IEnumUnknown IEnumUnknown_iface;
775     LONG ref;
776     ULONG pos;
777 };
778
779 static const struct IEnumUnknownVtbl InstalledRuntimeEnum_Vtbl;
780
781 static inline struct InstalledRuntimeEnum *impl_from_IEnumUnknown(IEnumUnknown *iface)
782 {
783     return CONTAINING_RECORD(iface, struct InstalledRuntimeEnum, IEnumUnknown_iface);
784 }
785
786 static HRESULT WINAPI InstalledRuntimeEnum_QueryInterface(IEnumUnknown* iface, REFIID riid,
787         void **ppvObject)
788 {
789     TRACE("%p %s %p\n", iface, debugstr_guid(riid), ppvObject);
790
791     if ( IsEqualGUID( riid, &IID_IEnumUnknown ) ||
792          IsEqualGUID( riid, &IID_IUnknown ) )
793     {
794         *ppvObject = iface;
795     }
796     else
797     {
798         FIXME("Unsupported interface %s\n", debugstr_guid(riid));
799         return E_NOINTERFACE;
800     }
801
802     IEnumUnknown_AddRef( iface );
803
804     return S_OK;
805 }
806
807 static ULONG WINAPI InstalledRuntimeEnum_AddRef(IEnumUnknown* iface)
808 {
809     struct InstalledRuntimeEnum *This = impl_from_IEnumUnknown(iface);
810     ULONG ref = InterlockedIncrement(&This->ref);
811
812     TRACE("(%p) refcount=%u\n", iface, ref);
813
814     return ref;
815 }
816
817 static ULONG WINAPI InstalledRuntimeEnum_Release(IEnumUnknown* iface)
818 {
819     struct InstalledRuntimeEnum *This = impl_from_IEnumUnknown(iface);
820     ULONG ref = InterlockedDecrement(&This->ref);
821
822     TRACE("(%p) refcount=%u\n", iface, ref);
823
824     if (ref == 0)
825     {
826         HeapFree(GetProcessHeap(), 0, This);
827     }
828
829     return ref;
830 }
831
832 static HRESULT WINAPI InstalledRuntimeEnum_Next(IEnumUnknown *iface, ULONG celt,
833     IUnknown **rgelt, ULONG *pceltFetched)
834 {
835     struct InstalledRuntimeEnum *This = impl_from_IEnumUnknown(iface);
836     int num_fetched = 0;
837     HRESULT hr=S_OK;
838     IUnknown *item;
839
840     TRACE("(%p,%u,%p,%p)\n", iface, celt, rgelt, pceltFetched);
841
842     while (num_fetched < celt)
843     {
844         if (This->pos >= NUM_RUNTIMES)
845         {
846             hr = S_FALSE;
847             break;
848         }
849         if (runtimes[This->pos].mono_abi_version)
850         {
851             item = (IUnknown*)&runtimes[This->pos].ICLRRuntimeInfo_iface;
852             IUnknown_AddRef(item);
853             rgelt[num_fetched] = item;
854             num_fetched++;
855         }
856         This->pos++;
857     }
858
859     if (pceltFetched)
860         *pceltFetched = num_fetched;
861
862     return hr;
863 }
864
865 static HRESULT WINAPI InstalledRuntimeEnum_Skip(IEnumUnknown *iface, ULONG celt)
866 {
867     struct InstalledRuntimeEnum *This = impl_from_IEnumUnknown(iface);
868     int num_fetched = 0;
869     HRESULT hr=S_OK;
870
871     TRACE("(%p,%u)\n", iface, celt);
872
873     while (num_fetched < celt)
874     {
875         if (This->pos >= NUM_RUNTIMES)
876         {
877             hr = S_FALSE;
878             break;
879         }
880         if (runtimes[This->pos].mono_abi_version)
881         {
882             num_fetched++;
883         }
884         This->pos++;
885     }
886
887     return hr;
888 }
889
890 static HRESULT WINAPI InstalledRuntimeEnum_Reset(IEnumUnknown *iface)
891 {
892     struct InstalledRuntimeEnum *This = impl_from_IEnumUnknown(iface);
893
894     TRACE("(%p)\n", iface);
895
896     This->pos = 0;
897
898     return S_OK;
899 }
900
901 static HRESULT WINAPI InstalledRuntimeEnum_Clone(IEnumUnknown *iface, IEnumUnknown **ppenum)
902 {
903     struct InstalledRuntimeEnum *This = impl_from_IEnumUnknown(iface);
904     struct InstalledRuntimeEnum *new_enum;
905
906     TRACE("(%p)\n", iface);
907
908     new_enum = HeapAlloc(GetProcessHeap(), 0, sizeof(*new_enum));
909     if (!new_enum)
910         return E_OUTOFMEMORY;
911
912     new_enum->IEnumUnknown_iface.lpVtbl = &InstalledRuntimeEnum_Vtbl;
913     new_enum->ref = 1;
914     new_enum->pos = This->pos;
915
916     *ppenum = &new_enum->IEnumUnknown_iface;
917
918     return S_OK;
919 }
920
921 static const struct IEnumUnknownVtbl InstalledRuntimeEnum_Vtbl = {
922     InstalledRuntimeEnum_QueryInterface,
923     InstalledRuntimeEnum_AddRef,
924     InstalledRuntimeEnum_Release,
925     InstalledRuntimeEnum_Next,
926     InstalledRuntimeEnum_Skip,
927     InstalledRuntimeEnum_Reset,
928     InstalledRuntimeEnum_Clone
929 };
930
931 struct CLRMetaHost
932 {
933     ICLRMetaHost ICLRMetaHost_iface;
934 };
935
936 static struct CLRMetaHost GlobalCLRMetaHost;
937
938 static HRESULT WINAPI CLRMetaHost_QueryInterface(ICLRMetaHost* iface,
939         REFIID riid,
940         void **ppvObject)
941 {
942     TRACE("%s %p\n", debugstr_guid(riid), ppvObject);
943
944     if ( IsEqualGUID( riid, &IID_ICLRMetaHost ) ||
945          IsEqualGUID( riid, &IID_IUnknown ) )
946     {
947         *ppvObject = iface;
948     }
949     else
950     {
951         FIXME("Unsupported interface %s\n", debugstr_guid(riid));
952         return E_NOINTERFACE;
953     }
954
955     ICLRMetaHost_AddRef( iface );
956
957     return S_OK;
958 }
959
960 static ULONG WINAPI CLRMetaHost_AddRef(ICLRMetaHost* iface)
961 {
962     return 2;
963 }
964
965 static ULONG WINAPI CLRMetaHost_Release(ICLRMetaHost* iface)
966 {
967     return 1;
968 }
969
970 static BOOL parse_runtime_version(LPCWSTR version, DWORD *major, DWORD *minor, DWORD *build)
971 {
972     *major = 0;
973     *minor = 0;
974     *build = 0;
975
976     if (version[0] == 'v')
977     {
978         version++;
979         if (!isdigit(*version))
980             return FALSE;
981
982         while (isdigit(*version))
983             *major = *major * 10 + (*version++ - '0');
984
985         if (*version == 0)
986             return TRUE;
987
988         if (*version++ != '.' || !isdigit(*version))
989             return FALSE;
990
991         while (isdigit(*version))
992             *minor = *minor * 10 + (*version++ - '0');
993
994         if (*version == 0)
995             return TRUE;
996
997         if (*version++ != '.' || !isdigit(*version))
998             return FALSE;
999
1000         while (isdigit(*version))
1001             *build = *build * 10 + (*version++ - '0');
1002
1003         return *version == 0;
1004     }
1005     else
1006         return FALSE;
1007 }
1008
1009 HRESULT WINAPI CLRMetaHost_GetRuntime(ICLRMetaHost* iface,
1010     LPCWSTR pwzVersion, REFIID iid, LPVOID *ppRuntime)
1011 {
1012     int i;
1013     DWORD major, minor, build;
1014
1015     TRACE("%s %s %p\n", debugstr_w(pwzVersion), debugstr_guid(iid), ppRuntime);
1016
1017     if (!pwzVersion)
1018         return E_POINTER;
1019
1020     if (!parse_runtime_version(pwzVersion, &major, &minor, &build))
1021     {
1022         ERR("Cannot parse %s\n", debugstr_w(pwzVersion));
1023         return CLR_E_SHIM_RUNTIME;
1024     }
1025
1026     find_runtimes();
1027
1028     for (i=0; i<NUM_RUNTIMES; i++)
1029     {
1030         if (runtimes[i].major == major && runtimes[i].minor == minor &&
1031             runtimes[i].build == build)
1032         {
1033             if (runtimes[i].mono_abi_version)
1034                 return ICLRRuntimeInfo_QueryInterface(&runtimes[i].ICLRRuntimeInfo_iface, iid,
1035                         ppRuntime);
1036             else
1037             {
1038                 missing_runtime_message(&runtimes[i]);
1039                 return CLR_E_SHIM_RUNTIME;
1040             }
1041         }
1042     }
1043
1044     FIXME("Unrecognized version %s\n", debugstr_w(pwzVersion));
1045     return CLR_E_SHIM_RUNTIME;
1046 }
1047
1048 HRESULT WINAPI CLRMetaHost_GetVersionFromFile(ICLRMetaHost* iface,
1049     LPCWSTR pwzFilePath, LPWSTR pwzBuffer, DWORD *pcchBuffer)
1050 {
1051     ASSEMBLY *assembly;
1052     HRESULT hr;
1053     LPSTR version;
1054     ULONG buffer_size=*pcchBuffer;
1055
1056     TRACE("%s %p %p\n", debugstr_w(pwzFilePath), pwzBuffer, pcchBuffer);
1057
1058     hr = assembly_create(&assembly, pwzFilePath);
1059
1060     if (SUCCEEDED(hr))
1061     {
1062         hr = assembly_get_runtime_version(assembly, &version);
1063
1064         if (SUCCEEDED(hr))
1065         {
1066             *pcchBuffer = MultiByteToWideChar(CP_UTF8, 0, version, -1, NULL, 0);
1067
1068             if (pwzBuffer)
1069             {
1070                 if (buffer_size >= *pcchBuffer)
1071                     MultiByteToWideChar(CP_UTF8, 0, version, -1, pwzBuffer, buffer_size);
1072                 else
1073                     hr = HRESULT_FROM_WIN32(ERROR_INSUFFICIENT_BUFFER);
1074             }
1075         }
1076
1077         assembly_release(assembly);
1078     }
1079
1080     return hr;
1081 }
1082
1083 static HRESULT WINAPI CLRMetaHost_EnumerateInstalledRuntimes(ICLRMetaHost* iface,
1084     IEnumUnknown **ppEnumerator)
1085 {
1086     struct InstalledRuntimeEnum *new_enum;
1087
1088     TRACE("%p\n", ppEnumerator);
1089
1090     find_runtimes();
1091
1092     new_enum = HeapAlloc(GetProcessHeap(), 0, sizeof(*new_enum));
1093     if (!new_enum)
1094         return E_OUTOFMEMORY;
1095
1096     new_enum->IEnumUnknown_iface.lpVtbl = &InstalledRuntimeEnum_Vtbl;
1097     new_enum->ref = 1;
1098     new_enum->pos = 0;
1099
1100     *ppEnumerator = &new_enum->IEnumUnknown_iface;
1101
1102     return S_OK;
1103 }
1104
1105 static HRESULT WINAPI CLRMetaHost_EnumerateLoadedRuntimes(ICLRMetaHost* iface,
1106     HANDLE hndProcess, IEnumUnknown **ppEnumerator)
1107 {
1108     FIXME("%p %p\n", hndProcess, ppEnumerator);
1109
1110     return E_NOTIMPL;
1111 }
1112
1113 static HRESULT WINAPI CLRMetaHost_RequestRuntimeLoadedNotification(ICLRMetaHost* iface,
1114     RuntimeLoadedCallbackFnPtr pCallbackFunction)
1115 {
1116     FIXME("%p\n", pCallbackFunction);
1117
1118     return E_NOTIMPL;
1119 }
1120
1121 static HRESULT WINAPI CLRMetaHost_QueryLegacyV2RuntimeBinding(ICLRMetaHost* iface,
1122     REFIID riid, LPVOID *ppUnk)
1123 {
1124     FIXME("%s %p\n", debugstr_guid(riid), ppUnk);
1125
1126     return E_NOTIMPL;
1127 }
1128
1129 static HRESULT WINAPI CLRMetaHost_ExitProcess(ICLRMetaHost* iface, INT32 iExitCode)
1130 {
1131     FIXME("%i: stub\n", iExitCode);
1132
1133     ExitProcess(iExitCode);
1134 }
1135
1136 static const struct ICLRMetaHostVtbl CLRMetaHost_vtbl =
1137 {
1138     CLRMetaHost_QueryInterface,
1139     CLRMetaHost_AddRef,
1140     CLRMetaHost_Release,
1141     CLRMetaHost_GetRuntime,
1142     CLRMetaHost_GetVersionFromFile,
1143     CLRMetaHost_EnumerateInstalledRuntimes,
1144     CLRMetaHost_EnumerateLoadedRuntimes,
1145     CLRMetaHost_RequestRuntimeLoadedNotification,
1146     CLRMetaHost_QueryLegacyV2RuntimeBinding,
1147     CLRMetaHost_ExitProcess
1148 };
1149
1150 static struct CLRMetaHost GlobalCLRMetaHost = {
1151     { &CLRMetaHost_vtbl }
1152 };
1153
1154 HRESULT CLRMetaHost_CreateInstance(REFIID riid, void **ppobj)
1155 {
1156     return ICLRMetaHost_QueryInterface(&GlobalCLRMetaHost.ICLRMetaHost_iface, riid, ppobj);
1157 }
1158
1159 static MonoAssembly* mono_assembly_search_hook_fn(MonoAssemblyName *aname, char **assemblies_path, void *user_data)
1160 {
1161     loaded_mono *mono = user_data;
1162     HRESULT hr=S_OK;
1163     MonoAssembly *result=NULL;
1164     char *stringname=NULL;
1165     LPWSTR stringnameW;
1166     int stringnameW_size;
1167     IAssemblyCache *asmcache;
1168     ASSEMBLY_INFO info;
1169     WCHAR path[MAX_PATH];
1170     char *pathA;
1171     MonoImageOpenStatus stat;
1172     static WCHAR fusiondll[] = {'f','u','s','i','o','n',0};
1173     HMODULE hfusion=NULL;
1174     static HRESULT (WINAPI *pCreateAssemblyCache)(IAssemblyCache**,DWORD);
1175
1176     stringname = mono->mono_stringify_assembly_name(aname);
1177
1178     TRACE("%s\n", debugstr_a(stringname));
1179
1180     if (!stringname) return NULL;
1181
1182     /* FIXME: We should search the given paths before the GAC. */
1183
1184     if (!pCreateAssemblyCache)
1185     {
1186         hr = LoadLibraryShim(fusiondll, NULL, NULL, &hfusion);
1187
1188         if (SUCCEEDED(hr))
1189         {
1190             pCreateAssemblyCache = (void*)GetProcAddress(hfusion, "CreateAssemblyCache");
1191             if (!pCreateAssemblyCache)
1192                 hr = E_FAIL;
1193         }
1194     }
1195
1196     if (SUCCEEDED(hr))
1197         hr = pCreateAssemblyCache(&asmcache, 0);
1198
1199     if (SUCCEEDED(hr))
1200     {
1201         stringnameW_size = MultiByteToWideChar(CP_UTF8, 0, stringname, -1, NULL, 0);
1202
1203         stringnameW = HeapAlloc(GetProcessHeap(), 0, stringnameW_size * sizeof(WCHAR));
1204         if (stringnameW)
1205             MultiByteToWideChar(CP_UTF8, 0, stringname, -1, stringnameW, stringnameW_size);
1206         else
1207             hr = E_OUTOFMEMORY;
1208
1209         if (SUCCEEDED(hr))
1210         {
1211             info.cbAssemblyInfo = sizeof(info);
1212             info.pszCurrentAssemblyPathBuf = path;
1213             info.cchBuf = MAX_PATH;
1214             path[0] = 0;
1215
1216             hr = IAssemblyCache_QueryAssemblyInfo(asmcache, 0, stringnameW, &info);
1217         }
1218
1219         HeapFree(GetProcessHeap(), 0, stringnameW);
1220
1221         IAssemblyCache_Release(asmcache);
1222     }
1223
1224     if (SUCCEEDED(hr))
1225     {
1226         TRACE("found: %s\n", debugstr_w(path));
1227
1228         pathA = WtoA(path);
1229
1230         if (pathA)
1231         {
1232             result = mono->mono_assembly_open(pathA, &stat);
1233
1234             if (!result)
1235                 ERR("Failed to load %s, status=%u\n", debugstr_w(path), stat);
1236
1237             HeapFree(GetProcessHeap(), 0, pathA);
1238         }
1239     }
1240
1241     mono->mono_free(stringname);
1242
1243     return result;
1244 }
1245
1246 HRESULT get_runtime_info(LPCWSTR exefile, LPCWSTR version, LPCWSTR config_file,
1247     DWORD startup_flags, DWORD runtimeinfo_flags, BOOL legacy, ICLRRuntimeInfo **result)
1248 {
1249     static const WCHAR dotconfig[] = {'.','c','o','n','f','i','g',0};
1250     static const DWORD supported_startup_flags = 0;
1251     static const DWORD supported_runtime_flags = RUNTIME_INFO_UPGRADE_VERSION;
1252     int i;
1253     WCHAR local_version[MAX_PATH];
1254     ULONG local_version_size = MAX_PATH;
1255     WCHAR local_config_file[MAX_PATH];
1256     HRESULT hr;
1257     parsed_config_file parsed_config;
1258
1259     if (startup_flags & ~supported_startup_flags)
1260         FIXME("unsupported startup flags %x\n", startup_flags & ~supported_startup_flags);
1261
1262     if (runtimeinfo_flags & ~supported_runtime_flags)
1263         FIXME("unsupported runtimeinfo flags %x\n", runtimeinfo_flags & ~supported_runtime_flags);
1264
1265     if (exefile && !config_file)
1266     {
1267         strcpyW(local_config_file, exefile);
1268         strcatW(local_config_file, dotconfig);
1269
1270         config_file = local_config_file;
1271     }
1272
1273     if (config_file)
1274     {
1275         int found=0;
1276         hr = parse_config_file(config_file, &parsed_config);
1277
1278         if (SUCCEEDED(hr))
1279         {
1280             supported_runtime *entry;
1281             LIST_FOR_EACH_ENTRY(entry, &parsed_config.supported_runtimes, supported_runtime, entry)
1282             {
1283                 hr = CLRMetaHost_GetRuntime(0, entry->version, &IID_ICLRRuntimeInfo, (void**)result);
1284                 if (SUCCEEDED(hr))
1285                 {
1286                     found = 1;
1287                     break;
1288                 }
1289             }
1290         }
1291         else
1292         {
1293             WARN("failed to parse config file %s, hr=%x\n", debugstr_w(config_file), hr);
1294         }
1295
1296         free_parsed_config_file(&parsed_config);
1297
1298         if (found)
1299             return S_OK;
1300     }
1301
1302     if (exefile && !version)
1303     {
1304         hr = CLRMetaHost_GetVersionFromFile(0, exefile, local_version, &local_version_size);
1305
1306         version = local_version;
1307
1308         if (FAILED(hr)) return hr;
1309     }
1310
1311     if (version)
1312     {
1313         return CLRMetaHost_GetRuntime(0, version, &IID_ICLRRuntimeInfo, (void**)result);
1314     }
1315
1316     if (runtimeinfo_flags & RUNTIME_INFO_UPGRADE_VERSION)
1317     {
1318         find_runtimes();
1319
1320         if (legacy)
1321             i = 2;
1322         else
1323             i = NUM_RUNTIMES;
1324
1325         while (i--)
1326         {
1327             if (runtimes[i].mono_abi_version)
1328                 return ICLRRuntimeInfo_QueryInterface(&runtimes[i].ICLRRuntimeInfo_iface,
1329                         &IID_ICLRRuntimeInfo, (void **)result);
1330         }
1331
1332         if (legacy)
1333             missing_runtime_message(&runtimes[1]);
1334         else
1335             missing_runtime_message(&runtimes[NUM_RUNTIMES-1]);
1336
1337         return CLR_E_SHIM_RUNTIME;
1338     }
1339
1340     return CLR_E_SHIM_RUNTIME;
1341 }