git.oblomov.eu Git - wine/blob - 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 "mscoree.h"
  36 #include "metahost.h"
  37 #include "mscoree_private.h"
  38
  39 #include "wine/debug.h"
  40
  41 WINE_DEFAULT_DEBUG_CHANNEL( mscoree );
  42
  43 static const WCHAR net_11_subdir[] = {'1','.','0',0};
  44 static const WCHAR net_20_subdir[] = {'2','.','0',0};
  45 static const WCHAR net_40_subdir[] = {'4','.','0',0};
  46
  47 const struct ICLRRuntimeInfoVtbl CLRRuntimeInfoVtbl;
  48
  49 #define NUM_RUNTIMES 3
  50
  51 static struct CLRRuntimeInfo runtimes[NUM_RUNTIMES] = {
  52     {&CLRRuntimeInfoVtbl, net_11_subdir, 1, 1, 4322, 0},
  53     {&CLRRuntimeInfoVtbl, net_20_subdir, 2, 0, 50727, 0},
  54     {&CLRRuntimeInfoVtbl, net_40_subdir, 4, 0, 30319, 0}
  55 };
  56
  57 static int runtimes_initialized;
  58
  59 static CRITICAL_SECTION runtime_list_cs;
  60 static CRITICAL_SECTION_DEBUG runtime_list_cs_debug =
  61 {
  62     0, 0, &runtime_list_cs,
  63     { &runtime_list_cs_debug.ProcessLocksList,
  64       &runtime_list_cs_debug.ProcessLocksList },
  65       0, 0, { (DWORD_PTR)(__FILE__ ": runtime_list_cs") }
  66 };
  67 static CRITICAL_SECTION runtime_list_cs = { &runtime_list_cs_debug, -1, 0, 0, 0, 0 };
  68
  69 static HRESULT load_mono(CLRRuntimeInfo *This, loaded_mono **result)
  70 {
  71     /* FIXME: stub */
  72     *result = NULL;
  73
  74     return S_OK;
  75 }
  76
  77 static HRESULT CLRRuntimeInfo_GetRuntimeHost(CLRRuntimeInfo *This, RuntimeHost **result)
  78 {
  79     HRESULT hr = S_OK;
  80     loaded_mono *ploaded_mono;
  81
  82     if (This->loaded_runtime)
  83     {
  84         *result = This->loaded_runtime;
  85         return hr;
  86     }
  87
  88     EnterCriticalSection(&runtime_list_cs);
  89
  90     hr = load_mono(This, &ploaded_mono);
  91
  92     if (SUCCEEDED(hr))
  93         hr = RuntimeHost_Construct(This, ploaded_mono, &This->loaded_runtime);
  94
  95     LeaveCriticalSection(&runtime_list_cs);
  96
  97     if (SUCCEEDED(hr))
  98         *result = This->loaded_runtime;
  99
 100     return hr;
 101 }
 102
 103 void unload_all_runtimes(void)
 104 {
 105     int i;
 106
 107     for (i=0; i<NUM_RUNTIMES; i++)
 108         if (runtimes[i].loaded_runtime)
 109             RuntimeHost_Destroy(runtimes[i].loaded_runtime);
 110 }
 111
 112 static HRESULT WINAPI CLRRuntimeInfo_QueryInterface(ICLRRuntimeInfo* iface,
 113         REFIID riid,
 114         void **ppvObject)
 115 {
 116     TRACE("%p %s %p\n", iface, debugstr_guid(riid), ppvObject);
 117
 118     if ( IsEqualGUID( riid, &IID_ICLRRuntimeInfo ) ||
 119          IsEqualGUID( riid, &IID_IUnknown ) )
 120     {
 121         *ppvObject = iface;
 122     }
 123     else
 124     {
 125         FIXME("Unsupported interface %s\n", debugstr_guid(riid));
 126         return E_NOINTERFACE;
 127     }
 128
 129     ICLRRuntimeInfo_AddRef( iface );
 130
 131     return S_OK;
 132 }
 133
 134 static ULONG WINAPI CLRRuntimeInfo_AddRef(ICLRRuntimeInfo* iface)
 135 {
 136     return 2;
 137 }
 138
 139 static ULONG WINAPI CLRRuntimeInfo_Release(ICLRRuntimeInfo* iface)
 140 {
 141     return 1;
 142 }
 143
 144 static HRESULT WINAPI CLRRuntimeInfo_GetVersionString(ICLRRuntimeInfo* iface,
 145     LPWSTR pwzBuffer, DWORD *pcchBuffer)
 146 {
 147     struct CLRRuntimeInfo *This = (struct CLRRuntimeInfo*)iface;
 148     DWORD buffer_size = *pcchBuffer;
 149     HRESULT hr = S_OK;
 150     char version[11];
 151     DWORD size;
 152
 153     TRACE("%p %p %p\n", iface, pwzBuffer, pcchBuffer);
 154
 155     size = snprintf(version, sizeof(version), "v%u.%u.%u", This->major, This->minor, This->build);
 156
 157     assert(size <= sizeof(version));
 158
 159     *pcchBuffer = MultiByteToWideChar(CP_UTF8, 0, version, -1, NULL, 0);
 160
 161     if (pwzBuffer)
 162     {
 163         if (buffer_size >= *pcchBuffer)
 164             MultiByteToWideChar(CP_UTF8, 0, version, -1, pwzBuffer, buffer_size);
 165         else
 166             hr = HRESULT_FROM_WIN32(ERROR_INSUFFICIENT_BUFFER);
 167     }
 168
 169     return hr;
 170 }
 171
 172 static BOOL get_install_root(LPWSTR install_dir)
 173 {
 174     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};
 175     const WCHAR install_root[] = {'I','n','s','t','a','l','l','R','o','o','t',0};
 176
 177     DWORD len;
 178     HKEY key;
 179
 180     if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, dotnet_key, 0, KEY_READ, &key))
 181         return FALSE;
 182
 183     len = MAX_PATH;
 184     if (RegQueryValueExW(key, install_root, 0, NULL, (LPBYTE)install_dir, &len))
 185     {
 186         RegCloseKey(key);
 187         return FALSE;
 188     }
 189     RegCloseKey(key);
 190
 191     return TRUE;
 192 }
 193
 194 static HRESULT WINAPI CLRRuntimeInfo_GetRuntimeDirectory(ICLRRuntimeInfo* iface,
 195     LPWSTR pwzBuffer, DWORD *pcchBuffer)
 196 {
 197     static const WCHAR slash[] = {'\\',0};
 198     DWORD buffer_size = *pcchBuffer;
 199     WCHAR system_dir[MAX_PATH];
 200     WCHAR version[MAX_PATH];
 201     DWORD version_size, size;
 202     HRESULT hr = S_OK;
 203
 204     TRACE("%p %p %p\n", iface, pwzBuffer, pcchBuffer);
 205
 206     if (!get_install_root(system_dir))
 207     {
 208         ERR("error reading registry key for installroot\n");
 209         return E_FAIL;
 210     }
 211     else
 212     {
 213         version_size = MAX_PATH;
 214         ICLRRuntimeInfo_GetVersionString(iface, version, &version_size);
 215         lstrcatW(system_dir, version);
 216         lstrcatW(system_dir, slash);
 217         size = lstrlenW(system_dir) + 1;
 218     }
 219
 220     *pcchBuffer = size;
 221
 222     if (pwzBuffer)
 223     {
 224         if (buffer_size >= size)
 225             strcpyW(pwzBuffer, system_dir);
 226         else
 227             hr = HRESULT_FROM_WIN32(ERROR_INSUFFICIENT_BUFFER);
 228     }
 229
 230     return hr;
 231 }
 232
 233 static HRESULT WINAPI CLRRuntimeInfo_IsLoaded(ICLRRuntimeInfo* iface,
 234     HANDLE hndProcess, BOOL *pbLoaded)
 235 {
 236     FIXME("%p %p %p\n", iface, hndProcess, pbLoaded);
 237
 238     return E_NOTIMPL;
 239 }
 240
 241 static HRESULT WINAPI CLRRuntimeInfo_LoadErrorString(ICLRRuntimeInfo* iface,
 242     UINT iResourceID, LPWSTR pwzBuffer, DWORD *pcchBuffer, LONG iLocaleid)
 243 {
 244     FIXME("%p %u %p %p %x\n", iface, iResourceID, pwzBuffer, pcchBuffer, iLocaleid);
 245
 246     return E_NOTIMPL;
 247 }
 248
 249 static HRESULT WINAPI CLRRuntimeInfo_LoadLibrary(ICLRRuntimeInfo* iface,
 250     LPCWSTR pwzDllName, HMODULE *phndModule)
 251 {
 252     FIXME("%p %s %p\n", iface, debugstr_w(pwzDllName), phndModule);
 253
 254     return E_NOTIMPL;
 255 }
 256
 257 static HRESULT WINAPI CLRRuntimeInfo_GetProcAddress(ICLRRuntimeInfo* iface,
 258     LPCSTR pszProcName, LPVOID *ppProc)
 259 {
 260     FIXME("%p %s %p\n", iface, debugstr_a(pszProcName), ppProc);
 261
 262     return E_NOTIMPL;
 263 }
 264
 265 static HRESULT WINAPI CLRRuntimeInfo_GetInterface(ICLRRuntimeInfo* iface,
 266     REFCLSID rclsid, REFIID riid, LPVOID *ppUnk)
 267 {
 268     struct CLRRuntimeInfo *This = (struct CLRRuntimeInfo*)iface;
 269     RuntimeHost *host;
 270     HRESULT hr;
 271
 272     TRACE("%p %s %s %p\n", iface, debugstr_guid(rclsid), debugstr_guid(riid), ppUnk);
 273
 274     hr = CLRRuntimeInfo_GetRuntimeHost(This, &host);
 275
 276     if (SUCCEEDED(hr))
 277         hr = RuntimeHost_GetInterface(host, rclsid, riid, ppUnk);
 278
 279     return hr;
 280 }
 281
 282 static HRESULT WINAPI CLRRuntimeInfo_IsLoadable(ICLRRuntimeInfo* iface,
 283     BOOL *pbLoadable)
 284 {
 285     FIXME("%p %p\n", iface, pbLoadable);
 286
 287     return E_NOTIMPL;
 288 }
 289
 290 static HRESULT WINAPI CLRRuntimeInfo_SetDefaultStartupFlags(ICLRRuntimeInfo* iface,
 291     DWORD dwStartupFlags, LPCWSTR pwzHostConfigFile)
 292 {
 293     FIXME("%p %x %s\n", iface, dwStartupFlags, debugstr_w(pwzHostConfigFile));
 294
 295     return E_NOTIMPL;
 296 }
 297
 298 static HRESULT WINAPI CLRRuntimeInfo_GetDefaultStartupFlags(ICLRRuntimeInfo* iface,
 299     DWORD *pdwStartupFlags, LPWSTR pwzHostConfigFile, DWORD *pcchHostConfigFile)
 300 {
 301     FIXME("%p %p %p %p\n", iface, pdwStartupFlags, pwzHostConfigFile, pcchHostConfigFile);
 302
 303     return E_NOTIMPL;
 304 }
 305
 306 static HRESULT WINAPI CLRRuntimeInfo_BindAsLegacyV2Runtime(ICLRRuntimeInfo* iface)
 307 {
 308     FIXME("%p\n", iface);
 309
 310     return E_NOTIMPL;
 311 }
 312
 313 static HRESULT WINAPI CLRRuntimeInfo_IsStarted(ICLRRuntimeInfo* iface,
 314     BOOL *pbStarted, DWORD *pdwStartupFlags)
 315 {
 316     FIXME("%p %p %p\n", iface, pbStarted, pdwStartupFlags);
 317
 318     return E_NOTIMPL;
 319 }
 320
 321 const struct ICLRRuntimeInfoVtbl CLRRuntimeInfoVtbl = {
 322     CLRRuntimeInfo_QueryInterface,
 323     CLRRuntimeInfo_AddRef,
 324     CLRRuntimeInfo_Release,
 325     CLRRuntimeInfo_GetVersionString,
 326     CLRRuntimeInfo_GetRuntimeDirectory,
 327     CLRRuntimeInfo_IsLoaded,
 328     CLRRuntimeInfo_LoadErrorString,
 329     CLRRuntimeInfo_LoadLibrary,
 330     CLRRuntimeInfo_GetProcAddress,
 331     CLRRuntimeInfo_GetInterface,
 332     CLRRuntimeInfo_IsLoadable,
 333     CLRRuntimeInfo_SetDefaultStartupFlags,
 334     CLRRuntimeInfo_GetDefaultStartupFlags,
 335     CLRRuntimeInfo_BindAsLegacyV2Runtime,
 336     CLRRuntimeInfo_IsStarted
 337 };
 338
 339 static BOOL find_mono_dll(LPCWSTR path, LPWSTR dll_path, int abi_version)
 340 {
 341     static const WCHAR mono_dll[] = {'\\','b','i','n','\\','m','o','n','o','.','d','l','l',0};
 342     static const WCHAR libmono_dll[] = {'\\','b','i','n','\\','l','i','b','m','o','n','o','.','d','l','l',0};
 343     DWORD attributes=INVALID_FILE_ATTRIBUTES;
 344
 345     if (abi_version == 1)
 346     {
 347         strcpyW(dll_path, path);
 348         strcatW(dll_path, mono_dll);
 349         attributes = GetFileAttributesW(dll_path);
 350
 351         if (attributes == INVALID_FILE_ATTRIBUTES)
 352         {
 353             strcpyW(dll_path, path);
 354             strcatW(dll_path, libmono_dll);
 355             attributes = GetFileAttributesW(dll_path);
 356         }
 357     }
 358
 359     return (attributes != INVALID_FILE_ATTRIBUTES);
 360 }
 361
 362 static BOOL get_mono_path_from_registry(LPWSTR path, int abi_version)
 363 {
 364     static const WCHAR mono_key[] = {'S','o','f','t','w','a','r','e','\\','N','o','v','e','l','l','\\','M','o','n','o',0};
 365     static const WCHAR defaul_clr[] = {'D','e','f','a','u','l','t','C','L','R',0};
 366     static const WCHAR install_root[] = {'S','d','k','I','n','s','t','a','l','l','R','o','o','t',0};
 367     static const WCHAR slash[] = {'\\',0};
 368
 369     WCHAR version[64], version_key[MAX_PATH];
 370     DWORD len;
 371     HKEY key;
 372     WCHAR dll_path[MAX_PATH];
 373
 374     if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, mono_key, 0, KEY_READ, &key))
 375         return FALSE;
 376
 377     len = sizeof(version);
 378     if (RegQueryValueExW(key, defaul_clr, 0, NULL, (LPBYTE)version, &len))
 379     {
 380         RegCloseKey(key);
 381         return FALSE;
 382     }
 383     RegCloseKey(key);
 384
 385     lstrcpyW(version_key, mono_key);
 386     lstrcatW(version_key, slash);
 387     lstrcatW(version_key, version);
 388
 389     if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, version_key, 0, KEY_READ, &key))
 390         return FALSE;
 391
 392     len = sizeof(WCHAR) * MAX_PATH;
 393     if (RegQueryValueExW(key, install_root, 0, NULL, (LPBYTE)path, &len))
 394     {
 395         RegCloseKey(key);
 396         return FALSE;
 397     }
 398     RegCloseKey(key);
 399
 400     return find_mono_dll(path, dll_path, abi_version);
 401 }
 402
 403 static BOOL get_mono_path_from_folder(LPCWSTR folder, LPWSTR mono_path, int abi_version)
 404 {
 405     static const WCHAR mono_one_dot_zero[] = {'\\','m','o','n','o','-','1','.','0', 0};
 406     WCHAR mono_dll_path[MAX_PATH];
 407     BOOL found = FALSE;
 408
 409     strcpyW(mono_path, folder);
 410
 411     if (abi_version == 1)
 412         strcatW(mono_path, mono_one_dot_zero);
 413
 414     found = find_mono_dll(mono_path, mono_dll_path, abi_version);
 415
 416     return found;
 417 }
 418
 419 static BOOL get_mono_path(LPWSTR path, int abi_version)
 420 {
 421     static const WCHAR subdir_mono[] = {'\\','m','o','n','o',0};
 422     static const WCHAR sibling_mono[] = {'\\','.','.','\\','m','o','n','o',0};
 423     WCHAR base_path[MAX_PATH];
 424     const char *unix_data_dir;
 425     WCHAR *dos_data_dir;
 426     int build_tree=0;
 427     static WCHAR* (CDECL *wine_get_dos_file_name)(const char*);
 428
 429     /* First try c:\windows\mono */
 430     GetWindowsDirectoryW(base_path, MAX_PATH);
 431     strcatW(base_path, subdir_mono);
 432
 433     if (get_mono_path_from_folder(base_path, path, abi_version))
 434         return TRUE;
 435
 436     /* Next: /usr/share/wine/mono */
 437     unix_data_dir = wine_get_data_dir();
 438
 439     if (!unix_data_dir)
 440     {
 441         unix_data_dir = wine_get_build_dir();
 442         build_tree = 1;
 443     }
 444
 445     if (unix_data_dir)
 446     {
 447         if (!wine_get_dos_file_name)
 448             wine_get_dos_file_name = (void*)GetProcAddress(GetModuleHandleA("kernel32"), "wine_get_dos_file_name");
 449
 450         if (wine_get_dos_file_name)
 451         {
 452             dos_data_dir = wine_get_dos_file_name(unix_data_dir);
 453
 454             if (dos_data_dir)
 455             {
 456                 strcpyW(base_path, dos_data_dir);
 457                 strcatW(base_path, build_tree ? sibling_mono : subdir_mono);
 458
 459                 HeapFree(GetProcessHeap(), 0, dos_data_dir);
 460
 461                 if (get_mono_path_from_folder(base_path, path, abi_version))
 462                     return TRUE;
 463             }
 464         }
 465     }
 466
 467     /* Last: the registry */
 468     return get_mono_path_from_registry(path, abi_version);
 469 }
 470
 471 static void find_runtimes(void)
 472 {
 473     int abi_version, i;
 474     static const WCHAR libmono[] = {'\\','l','i','b','\\','m','o','n','o','\\',0};
 475     static const WCHAR mscorlib[] = {'\\','m','s','c','o','r','l','i','b','.','d','l','l',0};
 476     WCHAR mono_path[MAX_PATH], lib_path[MAX_PATH];
 477     BOOL any_runtimes_found = FALSE;
 478
 479     if (runtimes_initialized) return;
 480
 481     EnterCriticalSection(&runtime_list_cs);
 482
 483     if (runtimes_initialized) goto end;
 484
 485     for (abi_version=1; abi_version>0; abi_version--)
 486     {
 487         if (!get_mono_path(mono_path, abi_version))
 488             continue;
 489
 490         for (i=0; i<NUM_RUNTIMES; i++)
 491         {
 492             if (runtimes[i].mono_abi_version == 0)
 493             {
 494                 strcpyW(lib_path, mono_path);
 495                 strcatW(lib_path, libmono);
 496                 strcatW(lib_path, runtimes[i].mono_libdir);
 497                 strcatW(lib_path, mscorlib);
 498
 499                 if (GetFileAttributesW(lib_path) != INVALID_FILE_ATTRIBUTES)
 500                 {
 501                     runtimes[i].mono_abi_version = abi_version;
 502
 503                     strcpyW(runtimes[i].mono_path, mono_path);
 504                     strcpyW(runtimes[i].mscorlib_path, lib_path);
 505
 506                     any_runtimes_found = TRUE;
 507                 }
 508             }
 509         }
 510     }
 511
 512     runtimes_initialized = 1;
 513
 514     if (!any_runtimes_found)
 515         MESSAGE("wine: Install the Windows version of Mono to run .NET executables\n");
 516
 517 end:
 518     LeaveCriticalSection(&runtime_list_cs);
 519 }
 520
 521 struct InstalledRuntimeEnum
 522 {
 523     const struct IEnumUnknownVtbl *Vtbl;
 524     LONG ref;
 525     ULONG pos;
 526 };
 527
 528 const struct IEnumUnknownVtbl InstalledRuntimeEnum_Vtbl;
 529
 530 static HRESULT WINAPI InstalledRuntimeEnum_QueryInterface(IEnumUnknown* iface,
 531         REFIID riid,
 532         void **ppvObject)
 533 {
 534     TRACE("%p %s %p\n", iface, debugstr_guid(riid), ppvObject);
 535
 536     if ( IsEqualGUID( riid, &IID_IEnumUnknown ) ||
 537          IsEqualGUID( riid, &IID_IUnknown ) )
 538     {
 539         *ppvObject = iface;
 540     }
 541     else
 542     {
 543         FIXME("Unsupported interface %s\n", debugstr_guid(riid));
 544         return E_NOINTERFACE;
 545     }
 546
 547     IEnumUnknown_AddRef( iface );
 548
 549     return S_OK;
 550 }
 551
 552 static ULONG WINAPI InstalledRuntimeEnum_AddRef(IEnumUnknown* iface)
 553 {
 554     struct InstalledRuntimeEnum *This = (struct InstalledRuntimeEnum*)iface;
 555     ULONG ref = InterlockedIncrement(&This->ref);
 556
 557     TRACE("(%p) refcount=%u\n", iface, ref);
 558
 559     return ref;
 560 }
 561
 562 static ULONG WINAPI InstalledRuntimeEnum_Release(IEnumUnknown* iface)
 563 {
 564     struct InstalledRuntimeEnum *This = (struct InstalledRuntimeEnum*)iface;
 565     ULONG ref = InterlockedDecrement(&This->ref);
 566
 567     TRACE("(%p) refcount=%u\n", iface, ref);
 568
 569     if (ref == 0)
 570     {
 571         HeapFree(GetProcessHeap(), 0, This);
 572     }
 573
 574     return ref;
 575 }
 576
 577 static HRESULT WINAPI InstalledRuntimeEnum_Next(IEnumUnknown *iface, ULONG celt,
 578     IUnknown **rgelt, ULONG *pceltFetched)
 579 {
 580     struct InstalledRuntimeEnum *This = (struct InstalledRuntimeEnum*)iface;
 581     int num_fetched = 0;
 582     HRESULT hr=S_OK;
 583     IUnknown *item;
 584
 585     TRACE("(%p,%u,%p,%p)\n", iface, celt, rgelt, pceltFetched);
 586
 587     while (num_fetched < celt)
 588     {
 589         if (This->pos >= NUM_RUNTIMES)
 590         {
 591             hr = S_FALSE;
 592             break;
 593         }
 594         if (runtimes[This->pos].mono_abi_version)
 595         {
 596             item = (IUnknown*)&runtimes[This->pos];
 597             IUnknown_AddRef(item);
 598             rgelt[num_fetched] = item;
 599             num_fetched++;
 600         }
 601         This->pos++;
 602     }
 603
 604     if (pceltFetched)
 605         *pceltFetched = num_fetched;
 606
 607     return hr;
 608 }
 609
 610 static HRESULT WINAPI InstalledRuntimeEnum_Skip(IEnumUnknown *iface, ULONG celt)
 611 {
 612     struct InstalledRuntimeEnum *This = (struct InstalledRuntimeEnum*)iface;
 613     int num_fetched = 0;
 614     HRESULT hr=S_OK;
 615
 616     TRACE("(%p,%u)\n", iface, celt);
 617
 618     while (num_fetched < celt)
 619     {
 620         if (This->pos >= NUM_RUNTIMES)
 621         {
 622             hr = S_FALSE;
 623             break;
 624         }
 625         if (runtimes[This->pos].mono_abi_version)
 626         {
 627             num_fetched++;
 628         }
 629         This->pos++;
 630     }
 631
 632     return hr;
 633 }
 634
 635 static HRESULT WINAPI InstalledRuntimeEnum_Reset(IEnumUnknown *iface)
 636 {
 637     struct InstalledRuntimeEnum *This = (struct InstalledRuntimeEnum*)iface;
 638
 639     TRACE("(%p)\n", iface);
 640
 641     This->pos = 0;
 642
 643     return S_OK;
 644 }
 645
 646 static HRESULT WINAPI InstalledRuntimeEnum_Clone(IEnumUnknown *iface, IEnumUnknown **ppenum)
 647 {
 648     struct InstalledRuntimeEnum *This = (struct InstalledRuntimeEnum*)iface;
 649     struct InstalledRuntimeEnum *new_enum;
 650
 651     TRACE("(%p)\n", iface);
 652
 653     new_enum = HeapAlloc(GetProcessHeap(), 0, sizeof(*new_enum));
 654     if (!new_enum)
 655         return E_OUTOFMEMORY;
 656
 657     new_enum->Vtbl = &InstalledRuntimeEnum_Vtbl;
 658     new_enum->ref = 1;
 659     new_enum->pos = This->pos;
 660
 661     *ppenum = (IEnumUnknown*)new_enum;
 662
 663     return S_OK;
 664 }
 665
 666 const struct IEnumUnknownVtbl InstalledRuntimeEnum_Vtbl = {
 667     InstalledRuntimeEnum_QueryInterface,
 668     InstalledRuntimeEnum_AddRef,
 669     InstalledRuntimeEnum_Release,
 670     InstalledRuntimeEnum_Next,
 671     InstalledRuntimeEnum_Skip,
 672     InstalledRuntimeEnum_Reset,
 673     InstalledRuntimeEnum_Clone
 674 };
 675
 676 struct CLRMetaHost
 677 {
 678     const struct ICLRMetaHostVtbl *CLRMetaHost_vtbl;
 679 };
 680
 681 static const struct CLRMetaHost GlobalCLRMetaHost;
 682
 683 static HRESULT WINAPI CLRMetaHost_QueryInterface(ICLRMetaHost* iface,
 684         REFIID riid,
 685         void **ppvObject)
 686 {
 687     TRACE("%s %p\n", debugstr_guid(riid), ppvObject);
 688
 689     if ( IsEqualGUID( riid, &IID_ICLRMetaHost ) ||
 690          IsEqualGUID( riid, &IID_IUnknown ) )
 691     {
 692         *ppvObject = iface;
 693     }
 694     else
 695     {
 696         FIXME("Unsupported interface %s\n", debugstr_guid(riid));
 697         return E_NOINTERFACE;
 698     }
 699
 700     ICLRMetaHost_AddRef( iface );
 701
 702     return S_OK;
 703 }
 704
 705 static ULONG WINAPI CLRMetaHost_AddRef(ICLRMetaHost* iface)
 706 {
 707     return 2;
 708 }
 709
 710 static ULONG WINAPI CLRMetaHost_Release(ICLRMetaHost* iface)
 711 {
 712     return 1;
 713 }
 714
 715 static BOOL parse_runtime_version(LPCWSTR version, DWORD *major, DWORD *minor, DWORD *build)
 716 {
 717     *major = 0;
 718     *minor = 0;
 719     *build = 0;
 720
 721     if (version[0] == 'v')
 722     {
 723         version++;
 724         if (!isdigit(*version))
 725             return FALSE;
 726
 727         while (isdigit(*version))
 728             *major = *major * 10 + (*version++ - '0');
 729
 730         if (*version == 0)
 731             return TRUE;
 732
 733         if (*version++ != '.' || !isdigit(*version))
 734             return FALSE;
 735
 736         while (isdigit(*version))
 737             *minor = *minor * 10 + (*version++ - '0');
 738
 739         if (*version == 0)
 740             return TRUE;
 741
 742         if (*version++ != '.' || !isdigit(*version))
 743             return FALSE;
 744
 745         while (isdigit(*version))
 746             *build = *build * 10 + (*version++ - '0');
 747
 748         return *version == 0;
 749     }
 750     else
 751         return FALSE;
 752 }
 753
 754 static HRESULT WINAPI CLRMetaHost_GetRuntime(ICLRMetaHost* iface,
 755     LPCWSTR pwzVersion, REFIID iid, LPVOID *ppRuntime)
 756 {
 757     int i;
 758     DWORD major, minor, build;
 759
 760     TRACE("%s %s %p\n", debugstr_w(pwzVersion), debugstr_guid(iid), ppRuntime);
 761
 762     if (!pwzVersion)
 763         return E_POINTER;
 764
 765     if (!parse_runtime_version(pwzVersion, &major, &minor, &build))
 766     {
 767         ERR("Cannot parse %s\n", debugstr_w(pwzVersion));
 768         return CLR_E_SHIM_RUNTIME;
 769     }
 770
 771     find_runtimes();
 772
 773     for (i=0; i<NUM_RUNTIMES; i++)
 774     {
 775         if (runtimes[i].major == major && runtimes[i].minor == minor &&
 776             runtimes[i].build == build)
 777         {
 778             if (runtimes[i].mono_abi_version)
 779                 return IUnknown_QueryInterface((IUnknown*)&runtimes[i], iid, ppRuntime);
 780             else
 781             {
 782                 ERR("Mono is missing %s runtime\n", debugstr_w(pwzVersion));
 783                 return CLR_E_SHIM_RUNTIME;
 784             }
 785         }
 786     }
 787
 788     FIXME("Unrecognized version %s\n", debugstr_w(pwzVersion));
 789     return CLR_E_SHIM_RUNTIME;
 790 }
 791
 792 static HRESULT WINAPI CLRMetaHost_GetVersionFromFile(ICLRMetaHost* iface,
 793     LPCWSTR pwzFilePath, LPWSTR pwzBuffer, DWORD *pcchBuffer)
 794 {
 795     ASSEMBLY *assembly;
 796     HRESULT hr;
 797     LPSTR version;
 798     ULONG buffer_size=*pcchBuffer;
 799
 800     TRACE("%s %p %p\n", debugstr_w(pwzFilePath), pwzBuffer, pcchBuffer);
 801
 802     hr = assembly_create(&assembly, pwzFilePath);
 803
 804     if (SUCCEEDED(hr))
 805     {
 806         hr = assembly_get_runtime_version(assembly, &version);
 807
 808         if (SUCCEEDED(hr))
 809         {
 810             *pcchBuffer = MultiByteToWideChar(CP_UTF8, 0, version, -1, NULL, 0);
 811
 812             if (pwzBuffer)
 813             {
 814                 if (buffer_size >= *pcchBuffer)
 815                     MultiByteToWideChar(CP_UTF8, 0, version, -1, pwzBuffer, buffer_size);
 816                 else
 817                     hr = HRESULT_FROM_WIN32(ERROR_INSUFFICIENT_BUFFER);
 818             }
 819         }
 820
 821         assembly_release(assembly);
 822     }
 823
 824     return hr;
 825 }
 826
 827 static HRESULT WINAPI CLRMetaHost_EnumerateInstalledRuntimes(ICLRMetaHost* iface,
 828     IEnumUnknown **ppEnumerator)
 829 {
 830     struct InstalledRuntimeEnum *new_enum;
 831
 832     TRACE("%p\n", ppEnumerator);
 833
 834     find_runtimes();
 835
 836     new_enum = HeapAlloc(GetProcessHeap(), 0, sizeof(*new_enum));
 837     if (!new_enum)
 838         return E_OUTOFMEMORY;
 839
 840     new_enum->Vtbl = &InstalledRuntimeEnum_Vtbl;
 841     new_enum->ref = 1;
 842     new_enum->pos = 0;
 843
 844     *ppEnumerator = (IEnumUnknown*)new_enum;
 845
 846     return S_OK;
 847 }
 848
 849 static HRESULT WINAPI CLRMetaHost_EnumerateLoadedRuntimes(ICLRMetaHost* iface,
 850     HANDLE hndProcess, IEnumUnknown **ppEnumerator)
 851 {
 852     FIXME("%p %p\n", hndProcess, ppEnumerator);
 853
 854     return E_NOTIMPL;
 855 }
 856
 857 static HRESULT WINAPI CLRMetaHost_RequestRuntimeLoadedNotification(ICLRMetaHost* iface,
 858     RuntimeLoadedCallbackFnPtr pCallbackFunction)
 859 {
 860     FIXME("%p\n", pCallbackFunction);
 861
 862     return E_NOTIMPL;
 863 }
 864
 865 static HRESULT WINAPI CLRMetaHost_QueryLegacyV2RuntimeBinding(ICLRMetaHost* iface,
 866     REFIID riid, LPVOID *ppUnk)
 867 {
 868     FIXME("%s %p\n", debugstr_guid(riid), ppUnk);
 869
 870     return E_NOTIMPL;
 871 }
 872
 873 static HRESULT WINAPI CLRMetaHost_ExitProcess(ICLRMetaHost* iface, INT32 iExitCode)
 874 {
 875     FIXME("%i: stub\n", iExitCode);
 876
 877     ExitProcess(iExitCode);
 878 }
 879
 880 static const struct ICLRMetaHostVtbl CLRMetaHost_vtbl =
 881 {
 882     CLRMetaHost_QueryInterface,
 883     CLRMetaHost_AddRef,
 884     CLRMetaHost_Release,
 885     CLRMetaHost_GetRuntime,
 886     CLRMetaHost_GetVersionFromFile,
 887     CLRMetaHost_EnumerateInstalledRuntimes,
 888     CLRMetaHost_EnumerateLoadedRuntimes,
 889     CLRMetaHost_RequestRuntimeLoadedNotification,
 890     CLRMetaHost_QueryLegacyV2RuntimeBinding,
 891     CLRMetaHost_ExitProcess
 892 };
 893
 894 static const struct CLRMetaHost GlobalCLRMetaHost = {
 895     &CLRMetaHost_vtbl
 896 };
 897
 898 extern HRESULT CLRMetaHost_CreateInstance(REFIID riid, void **ppobj)
 899 {
 900     return ICLRMetaHost_QueryInterface((ICLRMetaHost*)&GlobalCLRMetaHost, riid, ppobj);
 901 }
 902
 903 HRESULT get_runtime_info(LPCWSTR exefile, LPCWSTR version, LPCWSTR config_file,
 904     DWORD startup_flags, DWORD runtimeinfo_flags, BOOL legacy, ICLRRuntimeInfo **result)
 905 {
 906     static const DWORD supported_startup_flags = 0;
 907     static const DWORD supported_runtime_flags = RUNTIME_INFO_UPGRADE_VERSION;
 908     int i;
 909
 910     if (exefile)
 911         FIXME("ignoring exe filename %s\n", debugstr_w(exefile));
 912
 913     if (config_file)
 914         FIXME("ignoring config filename %s\n", debugstr_w(config_file));
 915
 916     if (startup_flags & ~supported_startup_flags)
 917         FIXME("unsupported startup flags %x\n", startup_flags & ~supported_startup_flags);
 918
 919     if (runtimeinfo_flags & ~supported_runtime_flags)
 920         FIXME("unsupported runtimeinfo flags %x\n", runtimeinfo_flags & ~supported_runtime_flags);
 921
 922     if (version)
 923     {
 924         return CLRMetaHost_GetRuntime(0, version, &IID_ICLRRuntimeInfo, (void**)result);
 925     }
 926
 927     if (runtimeinfo_flags & RUNTIME_INFO_UPGRADE_VERSION)
 928     {
 929         find_runtimes();
 930
 931         if (legacy)
 932             i = 2;
 933         else
 934             i = NUM_RUNTIMES;
 935
 936         while (i--)
 937         {
 938             if (runtimes[i].mono_abi_version)
 939                 return IUnknown_QueryInterface((IUnknown*)&runtimes[i],
 940                     &IID_ICLRRuntimeInfo, (void**)result);
 941         }
 942
 943         ERR("No %s.NET runtime installed\n", legacy ? "legacy " : "");
 944
 945         return CLR_E_SHIM_RUNTIME;
 946     }
 947
 948     return CLR_E_SHIM_RUNTIME;
 949 }