dlls/sxs/cache.c

   1 /*
   2  * IAssemblyCache implementation
   3  *
   4  * Copyright 2010 Hans Leidekker 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 <stdarg.h>
  22
  23 #define COBJMACROS
  24 #define INITGUID
  25
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "ole2.h"
  29 #include "winsxs.h"
  30 #include "msxml2.h"
  31
  32 #include "wine/debug.h"
  33 #include "wine/list.h"
  34 #include "sxs_private.h"
  35
  36 WINE_DEFAULT_DEBUG_CHANNEL(sxs);
  37
  38 static const WCHAR cache_mutex_nameW[] =
  39     {'_','_','W','I','N','E','_','S','X','S','_','C','A','C','H','E','_','M','U','T','E','X','_','_',0};
  40
  41 static const WCHAR win32W[] = {'w','i','n','3','2',0};
  42 static const WCHAR win32_policyW[] = {'w','i','n','3','2','-','p','o','l','i','c','y',0};
  43 static const WCHAR backslashW[] = {'\\',0};
  44
  45 struct cache
  46 {
  47     IAssemblyCache IAssemblyCache_iface;
  48     LONG refs;
  49     HANDLE lock;
  50 };
  51
  52 static inline struct cache *impl_from_IAssemblyCache(IAssemblyCache *iface)
  53 {
  54     return CONTAINING_RECORD(iface, struct cache, IAssemblyCache_iface);
  55 }
  56
  57 static HRESULT WINAPI cache_QueryInterface(
  58     IAssemblyCache *iface,
  59     REFIID riid,
  60     void **ret_iface )
  61 {
  62     TRACE("%p, %s, %p\n", iface, debugstr_guid(riid), ret_iface);
  63
  64     *ret_iface = NULL;
  65
  66     if (IsEqualIID(riid, &IID_IUnknown) ||
  67         IsEqualIID(riid, &IID_IAssemblyCache))
  68     {
  69         IAssemblyCache_AddRef( iface );
  70         *ret_iface = iface;
  71         return S_OK;
  72     }
  73
  74     return E_NOINTERFACE;
  75 }
  76
  77 static ULONG WINAPI cache_AddRef( IAssemblyCache *iface )
  78 {
  79     struct cache *cache = impl_from_IAssemblyCache(iface);
  80     return InterlockedIncrement( &cache->refs );
  81 }
  82
  83 static ULONG WINAPI cache_Release( IAssemblyCache *iface )
  84 {
  85     struct cache *cache = impl_from_IAssemblyCache(iface);
  86     ULONG refs = InterlockedDecrement( &cache->refs );
  87
  88     if (!refs)
  89     {
  90         TRACE("destroying %p\n", cache);
  91         CloseHandle( cache->lock );
  92         free( cache );
  93     }
  94     return refs;
  95 }
  96
  97 static unsigned int build_sxs_path( WCHAR *path )
  98 {
  99     static const WCHAR winsxsW[] = {'\\','w','i','n','s','x','s','\\',0};
 100     unsigned int len = GetWindowsDirectoryW( path, MAX_PATH );
 101
 102     memcpy( path + len, winsxsW, sizeof(winsxsW) );
 103     return len + ARRAY_SIZE(winsxsW) - 1;
 104 }
 105
 106 static WCHAR *build_assembly_name( const WCHAR *arch, const WCHAR *name, const WCHAR *token,
 107                                    const WCHAR *version, unsigned int *len )
 108 {
 109     static const WCHAR fmtW[] =
 110         {'%','s','_','%','s','_','%','s','_','%','s','_','n','o','n','e','_','d','e','a','d','b','e','e','f',0};
 111     unsigned int buflen = ARRAY_SIZE(fmtW);
 112     WCHAR *ret;
 113
 114     buflen += lstrlenW( arch );
 115     buflen += lstrlenW( name );
 116     buflen += lstrlenW( token );
 117     buflen += lstrlenW( version );
 118     if (!(ret = malloc( buflen * sizeof(WCHAR) ))) return NULL;
 119     *len = swprintf( ret, buflen, fmtW, arch, name, token, version );
 120     return wcslwr( ret );
 121 }
 122
 123 static WCHAR *build_dll_path( const WCHAR *arch, const WCHAR *name, const WCHAR *token,
 124                               const WCHAR *version )
 125 {
 126     WCHAR *path = NULL, *ret, sxsdir[MAX_PATH];
 127     unsigned int len;
 128
 129     if (!(path = build_assembly_name( arch, name, token, version, &len ))) return NULL;
 130     len += build_sxs_path( sxsdir ) + 2;
 131     if (!(ret = malloc( len * sizeof(WCHAR) )))
 132     {
 133         free( path );
 134         return NULL;
 135     }
 136     lstrcpyW( ret, sxsdir );
 137     lstrcatW( ret, path );
 138     lstrcatW( ret, L"\\" );
 139     free( path );
 140     return ret;
 141 }
 142
 143 static WCHAR *build_policy_name( const WCHAR *arch, const WCHAR *name, const WCHAR *token,
 144                                  unsigned int *len )
 145 {
 146     static const WCHAR fmtW[] =
 147         {'%','s','_','%','s','_','%','s','_','n','o','n','e','_','d','e','a','d','b','e','e','f',0};
 148     unsigned int buflen = ARRAY_SIZE(fmtW);
 149     WCHAR *ret;
 150
 151     buflen += lstrlenW( arch );
 152     buflen += lstrlenW( name );
 153     buflen += lstrlenW( token );
 154     if (!(ret = malloc( buflen * sizeof(WCHAR) ))) return NULL;
 155     *len = swprintf( ret, buflen, fmtW, arch, name, token );
 156     return wcslwr( ret );
 157 }
 158
 159 static WCHAR *build_policy_path( const WCHAR *arch, const WCHAR *name, const WCHAR *token,
 160                                  const WCHAR *version )
 161 {
 162     static const WCHAR fmtW[] =
 163         {'%','s','p','o','l','i','c','i','e','s','\\','%','s','\\','%','s','.','p','o','l','i','c','y',0};
 164     WCHAR *path = NULL, *ret, sxsdir[MAX_PATH];
 165     unsigned int len;
 166
 167     if (!(path = build_policy_name( arch, name, token, &len ))) return NULL;
 168     len += ARRAY_SIZE(fmtW);
 169     len += build_sxs_path( sxsdir );
 170     len += lstrlenW( version );
 171     if (!(ret = malloc( len * sizeof(WCHAR) )))
 172     {
 173         free( path );
 174         return NULL;
 175     }
 176     swprintf( ret, len, fmtW, sxsdir, path, version );
 177     free( path );
 178     return ret;
 179 }
 180
 181 static void cache_lock( struct cache *cache )
 182 {
 183     WaitForSingleObject( cache->lock, INFINITE );
 184 }
 185
 186 static void cache_unlock( struct cache *cache )
 187 {
 188     ReleaseMutex( cache->lock );
 189 }
 190
 191 #define ASSEMBLYINFO_FLAG_INSTALLED 1
 192
 193 static HRESULT WINAPI cache_QueryAssemblyInfo(
 194     IAssemblyCache *iface,
 195     DWORD flags,
 196     LPCWSTR assembly_name,
 197     ASSEMBLY_INFO *info )
 198 {
 199     struct cache *cache = impl_from_IAssemblyCache( iface );
 200     IAssemblyName *name_obj;
 201     const WCHAR *arch, *name, *token, *type, *version;
 202     WCHAR *path = NULL;
 203     unsigned int len;
 204     HRESULT hr;
 205
 206     TRACE("%p, 0x%08lx, %s, %p\n", iface, flags, debugstr_w(assembly_name), info);
 207
 208     if (flags || (info && info->cbAssemblyInfo != sizeof(*info)))
 209         return E_INVALIDARG;
 210
 211     hr = CreateAssemblyNameObject( &name_obj, assembly_name, CANOF_PARSE_DISPLAY_NAME, 0 );
 212     if (FAILED( hr ))
 213         return hr;
 214
 215     arch = get_name_attribute( name_obj, NAME_ATTR_ID_ARCH );
 216     name = get_name_attribute( name_obj, NAME_ATTR_ID_NAME );
 217     token = get_name_attribute( name_obj, NAME_ATTR_ID_TOKEN );
 218     type = get_name_attribute( name_obj, NAME_ATTR_ID_TYPE );
 219     version = get_name_attribute( name_obj, NAME_ATTR_ID_VERSION );
 220     if (!arch || !name || !token || !type || !version)
 221     {
 222         IAssemblyName_Release( name_obj );
 223         return HRESULT_FROM_WIN32( ERROR_SXS_MISSING_ASSEMBLY_IDENTITY_ATTRIBUTE );
 224     }
 225     if (!info)
 226     {
 227         IAssemblyName_Release( name_obj );
 228         return S_OK;
 229     }
 230     cache_lock( cache );
 231
 232     if (!wcscmp( type, win32W )) path = build_dll_path( arch, name, token, version );
 233     else if (!wcscmp( type, win32_policyW )) path = build_policy_path( arch, name, token, version );
 234     else
 235     {
 236         hr = HRESULT_FROM_WIN32( ERROR_SXS_INVALID_IDENTITY_ATTRIBUTE_VALUE );
 237         goto done;
 238     }
 239     if (!path)
 240     {
 241         hr = E_OUTOFMEMORY;
 242         goto done;
 243     }
 244     hr = S_OK;
 245     if (GetFileAttributesW( path ) != INVALID_FILE_ATTRIBUTES) /* FIXME: better check */
 246     {
 247         info->dwAssemblyFlags = ASSEMBLYINFO_FLAG_INSTALLED;
 248         TRACE("assembly is installed\n");
 249     }
 250     len = lstrlenW( path ) + 1;
 251     if (info->pszCurrentAssemblyPathBuf)
 252     {
 253         if (info->cchBuf < len)
 254         {
 255             info->cchBuf = len;
 256             hr = HRESULT_FROM_WIN32( ERROR_INSUFFICIENT_BUFFER );
 257         }
 258         else lstrcpyW( info->pszCurrentAssemblyPathBuf, path );
 259     }
 260
 261 done:
 262     free( path );
 263     IAssemblyName_Release( name_obj );
 264     cache_unlock( cache );
 265     return hr;
 266 }
 267
 268 static HRESULT WINAPI cache_CreateAssemblyCacheItem(
 269     IAssemblyCache *iface,
 270     DWORD flags,
 271     PVOID reserved,
 272     IAssemblyCacheItem **item,
 273     LPCWSTR name )
 274 {
 275     FIXME("%p, 0x%08lx, %p, %p, %s\n", iface, flags, reserved, item, debugstr_w(name));
 276     return E_NOTIMPL;
 277 }
 278
 279 static HRESULT WINAPI cache_Reserved(
 280     IAssemblyCache *iface,
 281     IUnknown **reserved)
 282 {
 283     FIXME("%p\n", reserved);
 284     return E_NOTIMPL;
 285 }
 286
 287 static BSTR get_attribute_value( IXMLDOMNamedNodeMap *map, const WCHAR *value_name )
 288 {
 289     HRESULT hr;
 290     IXMLDOMNode *attr;
 291     VARIANT var;
 292     BSTR str;
 293
 294     str = SysAllocString( value_name );
 295     hr = IXMLDOMNamedNodeMap_getNamedItem( map, str, &attr );
 296     SysFreeString( str );
 297     if (hr != S_OK) return NULL;
 298
 299     hr = IXMLDOMNode_get_nodeValue( attr, &var );
 300     IXMLDOMNode_Release( attr );
 301     if (hr != S_OK) return NULL;
 302     if (V_VT(&var) != VT_BSTR)
 303     {
 304         VariantClear( &var );
 305         return NULL;
 306     }
 307     TRACE("%s=%s\n", debugstr_w(value_name), debugstr_w(V_BSTR( &var )));
 308     return V_BSTR( &var );
 309 }
 310
 311 struct file
 312 {
 313     struct list entry;
 314     BSTR name;
 315 };
 316
 317 struct assembly
 318 {
 319     BSTR type;
 320     BSTR name;
 321     BSTR version;
 322     BSTR arch;
 323     BSTR token;
 324     struct list files;
 325 };
 326
 327 static void free_assembly( struct assembly *assembly )
 328 {
 329     struct list *item, *cursor;
 330
 331     if (!assembly) return;
 332     SysFreeString( assembly->type );
 333     SysFreeString( assembly->name );
 334     SysFreeString( assembly->version );
 335     SysFreeString( assembly->arch );
 336     SysFreeString( assembly->token );
 337     LIST_FOR_EACH_SAFE( item, cursor, &assembly->files )
 338     {
 339         struct file *file = LIST_ENTRY( item, struct file, entry );
 340         list_remove( &file->entry );
 341         SysFreeString( file->name );
 342         free( file );
 343     }
 344     free( assembly );
 345 }
 346
 347 static HRESULT parse_files( IXMLDOMDocument *doc, struct assembly *assembly )
 348 {
 349     static const WCHAR fileW[] = {'f','i','l','e',0};
 350     static const WCHAR nameW[] = {'n','a','m','e',0};
 351     IXMLDOMNamedNodeMap *attrs;
 352     IXMLDOMNodeList *list;
 353     IXMLDOMNode *node;
 354     struct file *f;
 355     BSTR str;
 356     HRESULT hr;
 357     LONG len;
 358
 359     str = SysAllocString( fileW );
 360     hr = IXMLDOMDocument_getElementsByTagName( doc, str, &list );
 361     SysFreeString( str );
 362     if (hr != S_OK) return hr;
 363
 364     hr = IXMLDOMNodeList_get_length( list, &len );
 365     if (hr != S_OK) goto done;
 366     TRACE("found %ld files\n", len);
 367     if (!len)
 368     {
 369         hr = ERROR_SXS_MANIFEST_FORMAT_ERROR;
 370         goto done;
 371     }
 372
 373     for (;;)
 374     {
 375         hr = IXMLDOMNodeList_nextNode( list, &node );
 376         if (hr != S_OK || !node)
 377         {
 378             hr = S_OK;
 379             break;
 380         }
 381
 382         /* FIXME: validate node type */
 383
 384         hr = IXMLDOMNode_get_attributes( node, &attrs );
 385         IXMLDOMNode_Release( node );
 386         if (hr != S_OK)
 387             goto done;
 388
 389         if (!(f = malloc( sizeof(*f) )))
 390         {
 391             IXMLDOMNamedNodeMap_Release( attrs );
 392             hr = E_OUTOFMEMORY;
 393             goto done;
 394         }
 395
 396         f->name = get_attribute_value( attrs, nameW );
 397         IXMLDOMNamedNodeMap_Release( attrs );
 398         if (!f->name)
 399         {
 400             free( f );
 401             hr = ERROR_SXS_MANIFEST_FORMAT_ERROR;
 402             goto done;
 403         }
 404         list_add_tail( &assembly->files, &f->entry );
 405     }
 406
 407     if (list_empty( &assembly->files ))
 408     {
 409         WARN("no files found\n");
 410         hr = ERROR_SXS_MANIFEST_FORMAT_ERROR;
 411     }
 412
 413 done:
 414     IXMLDOMNodeList_Release( list );
 415     return hr;
 416 }
 417
 418 static HRESULT parse_assembly( IXMLDOMDocument *doc, struct assembly **assembly )
 419 {
 420     static const WCHAR identityW[] = {'a','s','s','e','m','b','l','y','I','d','e','n','t','i','t','y',0};
 421     static const WCHAR typeW[] = {'t','y','p','e',0};
 422     static const WCHAR nameW[] = {'n','a','m','e',0};
 423     static const WCHAR versionW[] = {'v','e','r','s','i','o','n',0};
 424     static const WCHAR architectureW[] = {'p','r','o','c','e','s','s','o','r','A','r','c','h','i','t','e','c','t','u','r','e',0};
 425     static const WCHAR tokenW[] = {'p','u','b','l','i','c','K','e','y','T','o','k','e','n',0};
 426     IXMLDOMNodeList *list = NULL;
 427     IXMLDOMNode *node = NULL;
 428     IXMLDOMNamedNodeMap *attrs = NULL;
 429     struct assembly *a = NULL;
 430     BSTR str;
 431     HRESULT hr;
 432     LONG len;
 433
 434     str = SysAllocString( identityW );
 435     hr = IXMLDOMDocument_getElementsByTagName( doc, str, &list );
 436     SysFreeString( str );
 437     if (hr != S_OK) goto done;
 438
 439     hr = IXMLDOMNodeList_get_length( list, &len );
 440     if (hr != S_OK) goto done;
 441     if (!len)
 442     {
 443         hr = ERROR_SXS_MANIFEST_FORMAT_ERROR;
 444         goto done;
 445     }
 446     hr = IXMLDOMNodeList_nextNode( list, &node );
 447     if (hr != S_OK) goto done;
 448     if (!node)
 449     {
 450         hr = ERROR_SXS_MANIFEST_FORMAT_ERROR;
 451         goto done;
 452     }
 453     if (!(a = calloc(1, sizeof(*a) )))
 454     {
 455         hr = E_OUTOFMEMORY;
 456         goto done;
 457     }
 458     list_init( &a->files );
 459
 460     hr = IXMLDOMNode_get_attributes( node, &attrs );
 461     if (hr != S_OK) goto done;
 462
 463     a->type    = get_attribute_value( attrs, typeW );
 464     a->name    = get_attribute_value( attrs, nameW );
 465     a->version = get_attribute_value( attrs, versionW );
 466     a->arch    = get_attribute_value( attrs, architectureW );
 467     a->token   = get_attribute_value( attrs, tokenW );
 468
 469     if (!a->type || (wcscmp( a->type, win32W ) && wcscmp( a->type, win32_policyW )) ||
 470         !a->name || !a->version || !a->arch || !a->token)
 471     {
 472         WARN("invalid win32 assembly\n");
 473         hr = ERROR_SXS_MANIFEST_FORMAT_ERROR;
 474         goto done;
 475     }
 476     if (!wcscmp( a->type, win32W )) hr = parse_files( doc, a );
 477
 478 done:
 479     if (attrs) IXMLDOMNamedNodeMap_Release( attrs );
 480     if (node) IXMLDOMNode_Release( node );
 481     if (list) IXMLDOMNodeList_Release( list );
 482     if (hr == S_OK) *assembly = a;
 483     else free_assembly( a );
 484     return hr;
 485 }
 486
 487 static WCHAR *build_policy_filename( const WCHAR *arch, const WCHAR *name, const WCHAR *token,
 488                                      const WCHAR *version )
 489 {
 490     static const WCHAR policiesW[] = {'p','o','l','i','c','i','e','s','\\',0};
 491     static const WCHAR suffixW[] = {'.','p','o','l','i','c','y',0};
 492     WCHAR sxsdir[MAX_PATH], *ret, *fullname;
 493     unsigned int len;
 494
 495     if (!(fullname = build_policy_name( arch, name, token, &len ))) return NULL;
 496     len += build_sxs_path( sxsdir );
 497     len += ARRAY_SIZE(policiesW) - 1;
 498     len += lstrlenW( version );
 499     len += ARRAY_SIZE(suffixW) - 1;
 500     if (!(ret = malloc( (len + 1) * sizeof(WCHAR) )))
 501     {
 502         free( fullname );
 503         return NULL;
 504     }
 505     lstrcpyW( ret, sxsdir );
 506     lstrcatW( ret, policiesW );
 507     CreateDirectoryW( ret, NULL );
 508     lstrcatW( ret, name );
 509     CreateDirectoryW( ret, NULL );
 510     lstrcatW( ret, backslashW );
 511     lstrcatW( ret, version );
 512     lstrcatW( ret, suffixW );
 513
 514     free( fullname );
 515     return ret;
 516 }
 517
 518 static HRESULT install_policy( const WCHAR *manifest, struct assembly *assembly )
 519 {
 520     WCHAR *dst;
 521     BOOL ret;
 522
 523     /* FIXME: handle catalog file */
 524
 525     dst = build_policy_filename( assembly->arch, assembly->name, assembly->token, assembly->version );
 526     if (!dst) return E_OUTOFMEMORY;
 527
 528     ret = CopyFileW( manifest, dst, FALSE );
 529     free( dst );
 530     if (!ret)
 531     {
 532         HRESULT hr = HRESULT_FROM_WIN32( GetLastError() );
 533         WARN("failed to copy policy manifest file 0x%08lx\n", hr);
 534         return hr;
 535     }
 536     return S_OK;
 537 }
 538
 539 static WCHAR *build_source_filename( const WCHAR *manifest, struct file *file )
 540 {
 541     WCHAR *src;
 542     const WCHAR *p;
 543     int len;
 544
 545     p = wcsrchr( manifest, '\\' );
 546     if (!p) p = wcsrchr( manifest, '/' );
 547     if (!p) return wcsdup( manifest );
 548
 549     len = p - manifest + 1;
 550     if (!(src = malloc( (len + lstrlenW( file->name ) + 1) * sizeof(WCHAR) )))
 551         return NULL;
 552
 553     memcpy( src, manifest, len * sizeof(WCHAR) );
 554     lstrcpyW( src + len, file->name );
 555     return src;
 556 }
 557
 558 static WCHAR *build_manifest_filename( const WCHAR *arch, const WCHAR *name, const WCHAR *token,
 559                                        const WCHAR *version )
 560 {
 561     static const WCHAR manifestsW[] = {'m','a','n','i','f','e','s','t','s','\\',0};
 562     static const WCHAR suffixW[] = {'.','m','a','n','i','f','e','s','t',0};
 563     WCHAR sxsdir[MAX_PATH], *ret, *fullname;
 564     unsigned int len;
 565
 566     if (!(fullname = build_assembly_name( arch, name, token, version, &len ))) return NULL;
 567     len += build_sxs_path( sxsdir );
 568     len += ARRAY_SIZE(manifestsW) - 1;
 569     len += ARRAY_SIZE(suffixW) - 1;
 570     if (!(ret = malloc( (len + 1) * sizeof(WCHAR) )))
 571     {
 572         free( fullname );
 573         return NULL;
 574     }
 575     lstrcpyW( ret, sxsdir );
 576     lstrcatW( ret, manifestsW );
 577     lstrcatW( ret, fullname );
 578     lstrcatW( ret, suffixW );
 579
 580     free( fullname );
 581     return ret;
 582 }
 583
 584 static HRESULT load_manifest( IXMLDOMDocument *doc, const WCHAR *filename )
 585 {
 586     HRESULT hr;
 587     VARIANT var;
 588     VARIANT_BOOL b;
 589     BSTR str;
 590
 591     str = SysAllocString( filename );
 592     VariantInit( &var );
 593     V_VT( &var ) = VT_BSTR;
 594     V_BSTR( &var ) = str;
 595     hr = IXMLDOMDocument_load( doc, var, &b );
 596     SysFreeString( str );
 597     if (hr != S_OK) return hr;
 598     if (!b)
 599     {
 600         WARN("failed to load manifest\n");
 601         return S_FALSE;
 602     }
 603     return S_OK;
 604 }
 605
 606 static HRESULT install_assembly( const WCHAR *manifest, struct assembly *assembly )
 607 {
 608     WCHAR sxsdir[MAX_PATH], *p, *name, *dst, *src;
 609     unsigned int len, len_name, len_sxsdir = build_sxs_path( sxsdir );
 610     struct file *file;
 611     HRESULT hr = E_OUTOFMEMORY;
 612     BOOL ret;
 613
 614     dst = build_manifest_filename( assembly->arch, assembly->name, assembly->token, assembly->version );
 615     if (!dst) return E_OUTOFMEMORY;
 616
 617     ret = CopyFileW( manifest, dst, FALSE );
 618     free( dst );
 619     if (!ret)
 620     {
 621         hr = HRESULT_FROM_WIN32( GetLastError() );
 622         WARN("failed to copy manifest file 0x%08lx\n", hr);
 623         return hr;
 624     }
 625
 626     name = build_assembly_name( assembly->arch, assembly->name, assembly->token, assembly->version,
 627                                 &len_name );
 628     if (!name) return E_OUTOFMEMORY;
 629
 630     /* FIXME: this should be a transaction */
 631     LIST_FOR_EACH_ENTRY( file, &assembly->files, struct file, entry )
 632     {
 633         if (!(src = build_source_filename( manifest, file ))) goto done;
 634
 635         len = len_sxsdir + len_name + lstrlenW( file->name );
 636         if (!(dst = malloc( (len + 2) * sizeof(WCHAR) )))
 637         {
 638             free( src );
 639             goto done;
 640         }
 641         lstrcpyW( dst, sxsdir );
 642         lstrcatW( dst, name );
 643         CreateDirectoryW( dst, NULL );
 644
 645         lstrcatW( dst, backslashW );
 646         lstrcatW( dst, file->name );
 647         for (p = dst; *p; p++) *p = towlower( *p );
 648
 649         ret = CopyFileW( src, dst, FALSE );
 650         free( src );
 651         free( dst );
 652         if (!ret)
 653         {
 654             hr = HRESULT_FROM_WIN32( GetLastError() );
 655             WARN("failed to copy file 0x%08lx\n", hr);
 656             goto done;
 657         }
 658     }
 659     hr = S_OK;
 660
 661 done:
 662     free( name );
 663     return hr;
 664 }
 665
 666 static HRESULT WINAPI cache_InstallAssembly(
 667     IAssemblyCache *iface,
 668     DWORD flags,
 669     LPCWSTR path,
 670     LPCFUSION_INSTALL_REFERENCE ref )
 671 {
 672     struct cache *cache = impl_from_IAssemblyCache( iface );
 673     HRESULT hr, init;
 674     IXMLDOMDocument *doc = NULL;
 675     struct assembly *assembly = NULL;
 676
 677     TRACE("%p, 0x%08lx, %s, %p\n", iface, flags, debugstr_w(path), ref);
 678
 679     cache_lock( cache );
 680     init = CoInitialize( NULL );
 681
 682     hr = CoCreateInstance( &CLSID_DOMDocument, NULL, CLSCTX_INPROC_SERVER, &IID_IXMLDOMDocument, (void **)&doc );
 683     if (hr != S_OK)
 684         goto done;
 685
 686     if ((hr = load_manifest( doc, path )) != S_OK) goto done;
 687     if ((hr = parse_assembly( doc, &assembly )) != S_OK) goto done;
 688
 689     /* FIXME: verify name attributes */
 690
 691     if (!wcscmp( assembly->type, win32_policyW ))
 692         hr = install_policy( path, assembly );
 693     else
 694         hr = install_assembly( path, assembly );
 695
 696 done:
 697     free_assembly( assembly );
 698     if (doc) IXMLDOMDocument_Release( doc );
 699     if (SUCCEEDED(init)) CoUninitialize();
 700     cache_unlock( cache );
 701     return hr;
 702 }
 703
 704 static HRESULT uninstall_assembly( struct assembly *assembly )
 705 {
 706     WCHAR sxsdir[MAX_PATH], *name, *dirname, *filename;
 707     unsigned int len, len_name, len_sxsdir = build_sxs_path( sxsdir );
 708     HRESULT hr = E_OUTOFMEMORY;
 709     struct file *file;
 710
 711     name = build_assembly_name( assembly->arch, assembly->name, assembly->token, assembly->version,
 712                                 &len_name );
 713     if (!name) return E_OUTOFMEMORY;
 714     if (!(dirname = malloc( (len_sxsdir + len_name + 1) * sizeof(WCHAR) )))
 715         goto done;
 716     lstrcpyW( dirname, sxsdir );
 717     lstrcpyW( dirname + len_sxsdir, name );
 718
 719     LIST_FOR_EACH_ENTRY( file, &assembly->files, struct file, entry )
 720     {
 721         len = len_sxsdir + len_name + 1 + lstrlenW( file->name );
 722         if (!(filename = malloc( (len + 1) * sizeof(WCHAR) ))) goto done;
 723         lstrcpyW( filename, dirname );
 724         lstrcatW( filename, backslashW );
 725         lstrcatW( filename, file->name );
 726
 727         if (!DeleteFileW( filename )) WARN( "failed to delete file %lu\n", GetLastError() );
 728         free( filename );
 729     }
 730     RemoveDirectoryW( dirname );
 731     hr = S_OK;
 732
 733 done:
 734     free( dirname );
 735     free( name );
 736     return hr;
 737 }
 738
 739 static HRESULT WINAPI cache_UninstallAssembly(
 740     IAssemblyCache *iface,
 741     DWORD flags,
 742     LPCWSTR assembly_name,
 743     LPCFUSION_INSTALL_REFERENCE ref,
 744     ULONG *disp )
 745 {
 746     struct cache *cache = impl_from_IAssemblyCache( iface );
 747     HRESULT hr, init;
 748     IXMLDOMDocument *doc = NULL;
 749     struct assembly *assembly = NULL;
 750     IAssemblyName *name_obj = NULL;
 751     const WCHAR *arch, *name, *token, *type, *version;
 752     WCHAR *p, *path = NULL;
 753
 754     TRACE("%p, 0x%08lx, %s, %p, %p\n", iface, flags, debugstr_w(assembly_name), ref, disp);
 755
 756     if (ref)
 757     {
 758         FIXME("application reference not supported\n");
 759         return E_NOTIMPL;
 760     }
 761     cache_lock( cache );
 762     init = CoInitialize( NULL );
 763
 764     hr = CreateAssemblyNameObject( &name_obj, assembly_name, CANOF_PARSE_DISPLAY_NAME, NULL );
 765     if (FAILED( hr ))
 766         goto done;
 767
 768     arch = get_name_attribute( name_obj, NAME_ATTR_ID_ARCH );
 769     name = get_name_attribute( name_obj, NAME_ATTR_ID_NAME );
 770     token = get_name_attribute( name_obj, NAME_ATTR_ID_TOKEN );
 771     type = get_name_attribute( name_obj, NAME_ATTR_ID_TYPE );
 772     version = get_name_attribute( name_obj, NAME_ATTR_ID_VERSION );
 773     if (!arch || !name || !token || !type || !version)
 774     {
 775         hr = E_INVALIDARG;
 776         goto done;
 777     }
 778     if (!wcscmp( type, win32W )) path = build_manifest_filename( arch, name, token, version );
 779     else if (!wcscmp( type, win32_policyW )) path = build_policy_filename( arch, name, token, version );
 780     else
 781     {
 782         hr = E_INVALIDARG;
 783         goto done;
 784     }
 785
 786     hr = CoCreateInstance( &CLSID_DOMDocument, NULL, CLSCTX_INPROC_SERVER, &IID_IXMLDOMDocument, (void **)&doc );
 787     if (hr != S_OK)
 788         goto done;
 789
 790     if ((hr = load_manifest( doc, path )) != S_OK) goto done;
 791     if ((hr = parse_assembly( doc, &assembly )) != S_OK) goto done;
 792
 793     if (!DeleteFileW( path )) WARN( "unable to remove manifest file %lu\n", GetLastError() );
 794     else if ((p = wcsrchr( path, '\\' )))
 795     {
 796         *p = 0;
 797         RemoveDirectoryW( path );
 798     }
 799     if (!wcscmp( assembly->type, win32W )) hr = uninstall_assembly( assembly );
 800
 801 done:
 802     if (name_obj) IAssemblyName_Release( name_obj );
 803     free( path );
 804     free_assembly( assembly );
 805     if (doc) IXMLDOMDocument_Release( doc );
 806     if (SUCCEEDED(init)) CoUninitialize();
 807     cache_unlock( cache );
 808     return hr;
 809 }
 810
 811 static const IAssemblyCacheVtbl cache_vtbl =
 812 {
 813     cache_QueryInterface,
 814     cache_AddRef,
 815     cache_Release,
 816     cache_UninstallAssembly,
 817     cache_QueryAssemblyInfo,
 818     cache_CreateAssemblyCacheItem,
 819     cache_Reserved,
 820     cache_InstallAssembly
 821 };
 822
 823 /******************************************************************
 824  *  CreateAssemblyCache   (SXS.@)
 825  */
 826 HRESULT WINAPI CreateAssemblyCache( IAssemblyCache **obj, DWORD reserved )
 827 {
 828     struct cache *cache;
 829
 830     TRACE("%p, %lu\n", obj, reserved);
 831
 832     if (!obj)
 833         return E_INVALIDARG;
 834
 835     *obj = NULL;
 836
 837     cache = malloc( sizeof(*cache) );
 838     if (!cache)
 839         return E_OUTOFMEMORY;
 840
 841     cache->IAssemblyCache_iface.lpVtbl = &cache_vtbl;
 842     cache->refs = 1;
 843     cache->lock = CreateMutexW( NULL, FALSE, cache_mutex_nameW );
 844     if (!cache->lock)
 845     {
 846         free( cache );
 847         return HRESULT_FROM_WIN32( GetLastError() );
 848     }
 849     *obj = &cache->IAssemblyCache_iface;
 850     return S_OK;
 851 }