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 "wine/unicode.h"
  35
  36 WINE_DEFAULT_DEBUG_CHANNEL(sxs);
  37
  38 static inline WCHAR *strdupW( const WCHAR *s )
  39 {
  40     WCHAR *t;
  41     if (!s) return NULL;
  42     if ((t = HeapAlloc( GetProcessHeap(), 0, (strlenW( s ) + 1) * sizeof(WCHAR) ))) strcpyW( t, s );
  43     return t;
  44 }
  45
  46 struct cache
  47 {
  48     const IAssemblyCacheVtbl *vtbl;
  49     LONG refs;
  50 };
  51
  52 static HRESULT WINAPI cache_QueryInterface(
  53     IAssemblyCache *iface,
  54     REFIID riid,
  55     void **obj )
  56 {
  57     struct cache *cache = (struct cache *)iface;
  58
  59     TRACE("%p, %s, %p\n", cache, debugstr_guid(riid), obj);
  60
  61     *obj = NULL;
  62
  63     if (IsEqualIID(riid, &IID_IUnknown) ||
  64         IsEqualIID(riid, &IID_IAssemblyCache))
  65     {
  66         IUnknown_AddRef( iface );
  67         *obj = cache;
  68         return S_OK;
  69     }
  70
  71     return E_NOINTERFACE;
  72 }
  73
  74 static ULONG WINAPI cache_AddRef( IAssemblyCache *iface )
  75 {
  76     struct cache *cache = (struct cache *)iface;
  77     return InterlockedIncrement( &cache->refs );
  78 }
  79
  80 static ULONG WINAPI cache_Release( IAssemblyCache *iface )
  81 {
  82     struct cache *cache = (struct cache *)iface;
  83     ULONG refs = InterlockedDecrement( &cache->refs );
  84
  85     if (!refs)
  86     {
  87         TRACE("destroying %p\n", cache);
  88         HeapFree( GetProcessHeap(), 0, cache );
  89     }
  90     return refs;
  91 }
  92
  93 static HRESULT WINAPI cache_UninstallAssembly(
  94     IAssemblyCache *iface,
  95     DWORD flags,
  96     LPCWSTR name,
  97     LPCFUSION_INSTALL_REFERENCE ref,
  98     ULONG *disp )
  99 {
 100     FIXME("%p, 0x%08x, %s, %p, %p\n", iface, flags, debugstr_w(name), ref, disp);
 101     return E_NOTIMPL;
 102 }
 103
 104 static HRESULT WINAPI cache_QueryAssemblyInfo(
 105     IAssemblyCache *iface,
 106     DWORD flags,
 107     LPCWSTR name,
 108     ASSEMBLY_INFO *info )
 109 {
 110     FIXME("%p, 0x%08x, %s, %p\n", iface, flags, debugstr_w(name), info);
 111     return E_NOTIMPL;
 112 }
 113
 114 static HRESULT WINAPI cache_CreateAssemblyCacheItem(
 115     IAssemblyCache *iface,
 116     DWORD flags,
 117     PVOID reserved,
 118     IAssemblyCacheItem **item,
 119     LPCWSTR name )
 120 {
 121     FIXME("%p, 0x%08x, %p, %p, %s\n", iface, flags, reserved, item, debugstr_w(name));
 122     return E_NOTIMPL;
 123 }
 124
 125 static HRESULT WINAPI cache_Reserved(
 126     IAssemblyCache *iface,
 127     IUnknown **reserved)
 128 {
 129     FIXME("%p\n", reserved);
 130     return E_NOTIMPL;
 131 }
 132
 133 static BSTR get_attribute_value( IXMLDOMNamedNodeMap *map, const WCHAR *value_name )
 134 {
 135     HRESULT hr;
 136     IXMLDOMNode *attr;
 137     VARIANT var;
 138     BSTR str;
 139
 140     str = SysAllocString( value_name );
 141     hr = IXMLDOMNamedNodeMap_getNamedItem( map, str, &attr );
 142     SysFreeString( str );
 143     if (hr != S_OK) return NULL;
 144
 145     hr = IXMLDOMNode_get_nodeValue( attr, &var );
 146     IXMLDOMNode_Release( attr );
 147     if (hr != S_OK) return NULL;
 148     if (V_VT(&var) != VT_BSTR)
 149     {
 150         VariantClear( &var );
 151         return NULL;
 152     }
 153     TRACE("%s=%s\n", debugstr_w(value_name), debugstr_w(V_BSTR( &var )));
 154     return V_BSTR( &var );
 155 }
 156
 157 struct file
 158 {
 159     struct list entry;
 160     BSTR name;
 161 };
 162
 163 struct assembly
 164 {
 165     BSTR type;
 166     BSTR name;
 167     BSTR version;
 168     BSTR arch;
 169     BSTR token;
 170     struct list files;
 171 };
 172
 173 static void free_assembly( struct assembly *assembly )
 174 {
 175     struct list *item, *cursor;
 176
 177     if (!assembly) return;
 178     SysFreeString( assembly->type );
 179     SysFreeString( assembly->name );
 180     SysFreeString( assembly->version );
 181     SysFreeString( assembly->arch );
 182     SysFreeString( assembly->token );
 183     LIST_FOR_EACH_SAFE( item, cursor, &assembly->files )
 184     {
 185         struct file *file = LIST_ENTRY( item, struct file, entry );
 186         list_remove( &file->entry );
 187         SysFreeString( file->name );
 188         HeapFree( GetProcessHeap(), 0, file );
 189     }
 190     HeapFree( GetProcessHeap(), 0, assembly );
 191 }
 192
 193 static HRESULT parse_files( IXMLDOMDocument *doc, struct assembly *assembly )
 194 {
 195     static const WCHAR fileW[] = {'f','i','l','e',0};
 196     static const WCHAR nameW[] = {'n','a','m','e',0};
 197     IXMLDOMNamedNodeMap *attrs;
 198     IXMLDOMNodeList *list;
 199     IXMLDOMNode *node;
 200     struct file *f;
 201     BSTR str;
 202     HRESULT hr;
 203     LONG len;
 204
 205     str = SysAllocString( fileW );
 206     hr = IXMLDOMDocument_getElementsByTagName( doc, str, &list );
 207     SysFreeString( str );
 208     if (hr != S_OK) return hr;
 209
 210     hr = IXMLDOMNodeList_get_length( list, &len );
 211     if (hr != S_OK) goto done;
 212     TRACE("found %d files\n", len);
 213     if (!len)
 214     {
 215         hr = ERROR_SXS_MANIFEST_FORMAT_ERROR;
 216         goto done;
 217     }
 218
 219     for (;;)
 220     {
 221         hr = IXMLDOMNodeList_nextNode( list, &node );
 222         if (hr != S_OK || !node)
 223         {
 224             hr = S_OK;
 225             break;
 226         }
 227
 228         /* FIXME: validate node type */
 229
 230         hr = IXMLDOMNode_get_attributes( node, &attrs );
 231         IXMLDOMNode_Release( node );
 232         if (hr != S_OK)
 233             goto done;
 234
 235         if (!(f = HeapAlloc( GetProcessHeap(), 0, sizeof(struct file) )))
 236         {
 237             IXMLDOMNamedNodeMap_Release( attrs );
 238             hr = E_OUTOFMEMORY;
 239             goto done;
 240         }
 241
 242         f->name = get_attribute_value( attrs, nameW );
 243         IXMLDOMNamedNodeMap_Release( attrs );
 244         if (!f->name)
 245         {
 246             HeapFree( GetProcessHeap(), 0, f );
 247             hr = ERROR_SXS_MANIFEST_FORMAT_ERROR;
 248             goto done;
 249         }
 250         list_add_tail( &assembly->files, &f->entry );
 251     }
 252
 253     if (list_empty( &assembly->files ))
 254     {
 255         WARN("no files found\n");
 256         hr = ERROR_SXS_MANIFEST_FORMAT_ERROR;
 257     }
 258
 259 done:
 260     IXMLDOMNodeList_Release( list );
 261     return hr;
 262 }
 263
 264 static HRESULT parse_assembly( IXMLDOMDocument *doc, struct assembly **assembly )
 265 {
 266     static const WCHAR identityW[] = {'a','s','s','e','m','b','l','y','I','d','e','n','t','i','t','y',0};
 267     static const WCHAR typeW[] = {'t','y','p','e',0};
 268     static const WCHAR nameW[] = {'n','a','m','e',0};
 269     static const WCHAR versionW[] = {'v','e','r','s','i','o','n',0};
 270     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};
 271     static const WCHAR tokenW[] = {'p','u','b','l','i','c','K','e','y','T','o','k','e','n',0};
 272     static const WCHAR win32W[] = {'w','i','n','3','2',0};
 273     static const WCHAR policyW[] = {'w','i','n','3','2','-','p','o','l','i','c','y',0};
 274     IXMLDOMNodeList *list = NULL;
 275     IXMLDOMNode *node = NULL;
 276     IXMLDOMNamedNodeMap *attrs = NULL;
 277     struct assembly *a = NULL;
 278     BSTR str;
 279     HRESULT hr;
 280     LONG len;
 281
 282     str = SysAllocString( identityW );
 283     hr = IXMLDOMDocument_getElementsByTagName( doc, str, &list );
 284     SysFreeString( str );
 285     if (hr != S_OK) goto done;
 286
 287     hr = IXMLDOMNodeList_get_length( list, &len );
 288     if (hr != S_OK) goto done;
 289     if (!len)
 290     {
 291         hr = ERROR_SXS_MANIFEST_FORMAT_ERROR;
 292         goto done;
 293     }
 294     hr = IXMLDOMNodeList_nextNode( list, &node );
 295     if (hr != S_OK) goto done;
 296     if (!node)
 297     {
 298         hr = ERROR_SXS_MANIFEST_FORMAT_ERROR;
 299         goto done;
 300     }
 301     if (!(a = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(struct assembly) )))
 302     {
 303         hr = E_OUTOFMEMORY;
 304         goto done;
 305     }
 306     list_init( &a->files );
 307
 308     hr = IXMLDOMNode_get_attributes( node, &attrs );
 309     if (hr != S_OK) goto done;
 310
 311     a->type = get_attribute_value( attrs, typeW );
 312     if (a->type && !strcmpW( a->type, policyW ))
 313     {
 314         FIXME("ignoring policy assembly\n");
 315         hr = ERROR_SXS_MANIFEST_FORMAT_ERROR;
 316         goto done;
 317     }
 318     a->name    = get_attribute_value( attrs, nameW );
 319     a->version = get_attribute_value( attrs, versionW );
 320     a->arch    = get_attribute_value( attrs, architectureW );
 321     a->token   = get_attribute_value( attrs, tokenW );
 322
 323     if (!a->type || strcmpW( a->type, win32W ) || !a->name || !a->version || !a->arch || !a->token)
 324     {
 325         WARN("invalid win32 assembly\n");
 326         hr = ERROR_SXS_MANIFEST_FORMAT_ERROR;
 327         goto done;
 328     }
 329
 330     hr = parse_files( doc, a );
 331
 332 done:
 333     if (attrs) IXMLDOMNamedNodeMap_Release( attrs );
 334     if (node) IXMLDOMNode_Release( node );
 335     if (list) IXMLDOMNodeList_Release( list );
 336     if (hr == S_OK) *assembly = a;
 337     else free_assembly( a );
 338     return hr;
 339 }
 340
 341 static WCHAR *build_source_filename( const WCHAR *manifest, struct file *file )
 342 {
 343     WCHAR *src;
 344     const WCHAR *p;
 345     int len;
 346
 347     p = strrchrW( manifest, '\\' );
 348     if (!p) p = strrchrW( manifest, '/' );
 349     if (!p) return strdupW( manifest );
 350
 351     len = p - manifest + 1;
 352     if (!(src = HeapAlloc( GetProcessHeap(), 0, (len + strlenW( file->name ) + 1) * sizeof(WCHAR) )))
 353         return NULL;
 354
 355     memcpy( src, manifest, len * sizeof(WCHAR) );
 356     strcpyW( src + len, file->name );
 357     return src;
 358 }
 359
 360 static HRESULT install_assembly( const WCHAR *manifest, struct assembly *assembly )
 361 {
 362     static const WCHAR winsxsW[] = {'\\','w','i','n','s','x','s','\\',0};
 363     static const WCHAR manifestsW[] = {'m','a','n','i','f','e','s','t','s','\\',0};
 364     static const WCHAR deadbeefW[] = {'n','o','n','e','_','d','e','a','d','b','e','e','f',0};
 365     static const WCHAR suffixW[] = {'.','m','a','n','i','f','e','s','t',0};
 366     static const WCHAR backslashW[] = {'\\',0};
 367     static const WCHAR fmtW[] = {'%','s','_','%','s','_','%','s','_','%','s','_','%','s',0};
 368     WCHAR sxsdir[MAX_PATH], *p, *name, *dst, *src;
 369     int len;
 370     struct file *file;
 371     HRESULT hr = S_OK;
 372     BOOL ret;
 373
 374     GetWindowsDirectoryW( sxsdir, MAX_PATH );
 375     strcatW( sxsdir, winsxsW );
 376
 377     len = strlenW( fmtW );
 378     len += strlenW( assembly->arch );
 379     len += strlenW( assembly->name );
 380     len += strlenW( assembly->token );
 381     len += strlenW( assembly->version );
 382     len += strlenW( deadbeefW );
 383
 384     if (!(name = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) )))
 385         return E_OUTOFMEMORY;
 386
 387     len = sprintfW( name, fmtW, assembly->arch, assembly->name, assembly->token, assembly->version, deadbeefW );
 388     for (p = name; *p; p++) *p = tolowerW( *p );
 389
 390     len += strlenW( sxsdir );
 391     len += strlenW( manifestsW );
 392     len += strlenW( suffixW );
 393     if (!(dst = HeapAlloc( GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR) )))
 394     {
 395         HeapFree( GetProcessHeap(), 0, name );
 396         return E_OUTOFMEMORY;
 397     }
 398     strcpyW( dst, sxsdir );
 399     strcatW( dst, manifestsW );
 400     strcatW( dst, name );
 401     strcatW( dst, suffixW );
 402
 403     ret = CopyFileW( manifest, dst, FALSE );
 404     HeapFree( GetProcessHeap(), 0, dst );
 405     if (!ret)
 406     {
 407         hr = HRESULT_FROM_WIN32( GetLastError() );
 408         WARN("failed to copy manifest file 0x%08x\n", hr);
 409         goto done;
 410     }
 411
 412     /* FIXME: this should be a transaction */
 413     LIST_FOR_EACH_ENTRY( file, &assembly->files, struct file, entry )
 414     {
 415         if (!(src = build_source_filename( manifest, file )))
 416         {
 417             hr = E_OUTOFMEMORY;
 418             goto done;
 419         }
 420         len = strlenW( sxsdir ) + strlenW( name ) + strlenW( file->name );
 421         if (!(dst = HeapAlloc( GetProcessHeap(), 0, (len + 2) * sizeof(WCHAR) )))
 422         {
 423             HeapFree( GetProcessHeap(), 0, src );
 424             hr = E_OUTOFMEMORY;
 425             goto done;
 426         }
 427         strcpyW( dst, sxsdir );
 428         strcatW( dst, name );
 429         CreateDirectoryW( dst, NULL );
 430
 431         strcatW( dst, backslashW );
 432         strcatW( dst, file->name );
 433         for (p = dst; *p; p++) *p = tolowerW( *p );
 434
 435         ret = CopyFileW( src, dst, FALSE );
 436         HeapFree( GetProcessHeap(), 0, src );
 437         HeapFree( GetProcessHeap(), 0, dst );
 438         if (!ret)
 439         {
 440             hr = HRESULT_FROM_WIN32( GetLastError() );
 441             WARN("failed to copy file 0x%08x\n", hr);
 442             goto done;
 443         }
 444     }
 445
 446 done:
 447     HeapFree( GetProcessHeap(), 0, name );
 448     return hr;
 449 }
 450
 451 static HRESULT WINAPI cache_InstallAssembly(
 452     IAssemblyCache *iface,
 453     DWORD flags,
 454     LPCWSTR path,
 455     LPCFUSION_INSTALL_REFERENCE ref )
 456 {
 457     HRESULT hr, init;
 458     IXMLDOMDocument *doc = NULL;
 459     struct assembly *assembly = NULL;
 460     BSTR str;
 461     VARIANT var;
 462     VARIANT_BOOL b;
 463
 464     TRACE("%p, 0x%08x, %s, %p\n", iface, flags, debugstr_w(path), ref);
 465
 466     init = CoInitialize( NULL );
 467
 468     hr = CoCreateInstance( &CLSID_DOMDocument, NULL, CLSCTX_INPROC_SERVER, &IID_IXMLDOMDocument, (void **)&doc );
 469     if (hr != S_OK)
 470         goto done;
 471
 472     str = SysAllocString( path );
 473     VariantInit( &var );
 474     V_VT( &var ) = VT_BSTR;
 475     V_BSTR( &var ) = str;
 476     hr = IXMLDOMDocument_load( doc, var, &b );
 477     SysFreeString( str );
 478     if (hr != S_OK) goto done;
 479     if (!b)
 480     {
 481         WARN("failed to load manifest\n");
 482         hr = S_FALSE;
 483         goto done;
 484     }
 485
 486     hr = parse_assembly( doc, &assembly );
 487     if (hr != S_OK)
 488         goto done;
 489
 490     /* FIXME: verify name attributes */
 491
 492     hr = install_assembly( path, assembly );
 493
 494 done:
 495     free_assembly( assembly );
 496     if (doc) IXMLDOMDocument_Release( doc );
 497
 498     if (SUCCEEDED(init))
 499         CoUninitialize();
 500
 501     return hr;
 502 }
 503
 504 static const IAssemblyCacheVtbl cache_vtbl =
 505 {
 506     cache_QueryInterface,
 507     cache_AddRef,
 508     cache_Release,
 509     cache_UninstallAssembly,
 510     cache_QueryAssemblyInfo,
 511     cache_CreateAssemblyCacheItem,
 512     cache_Reserved,
 513     cache_InstallAssembly
 514 };
 515
 516 /******************************************************************
 517  *  CreateAssemblyCache   (SXS.@)
 518  */
 519 HRESULT WINAPI CreateAssemblyCache( IAssemblyCache **obj, DWORD reserved )
 520 {
 521     struct cache *cache;
 522
 523     TRACE("%p, %u\n", obj, reserved);
 524
 525     if (!obj)
 526         return E_INVALIDARG;
 527
 528     *obj = NULL;
 529
 530     cache = HeapAlloc( GetProcessHeap(), 0, sizeof(struct cache) );
 531     if (!cache)
 532         return E_OUTOFMEMORY;
 533
 534     cache->vtbl = &cache_vtbl;
 535     cache->refs = 1;
 536
 537     *obj = (IAssemblyCache *)cache;
 538     return S_OK;
 539 }