git.oblomov.eu Git - wine/blob - dlls/shell32/shelllink.c

   1 /*
   2  *
   3  *      Copyright 1997  Marcus Meissner
   4  *      Copyright 1998  Juergen Schmied
   5  *      Copyright 2005  Mike McCormack
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  *
  21  * NOTES
  22  *   Nearly complete information about the binary formats
  23  *   of .lnk files available at http://www.wotsit.org
  24  *
  25  *  You can use winedump to examine the contents of a link file:
  26  *   winedump lnk sc.lnk
  27  *
  28  *  MSI advertised shortcuts are totally undocumented.  They provide an
  29  *   icon for a program that is not yet installed, and invoke MSI to
  30  *   install the program when the shortcut is clicked on.  They are
  31  *   created by passing a special string to SetPath, and the information
  32  *   in that string is parsed an stored.
  33  */
  34
  35 #define COBJMACROS
  36 #define NONAMELESSUNION
  37
  38 #include "wine/debug.h"
  39 #include "winerror.h"
  40 #include "windef.h"
  41 #include "winbase.h"
  42 #include "winnls.h"
  43 #include "winreg.h"
  44
  45 #include "winuser.h"
  46 #include "wingdi.h"
  47 #include "shlobj.h"
  48 #include "undocshell.h"
  49
  50 #include "pidl.h"
  51 #include "shell32_main.h"
  52 #include "shlguid.h"
  53 #include "shlwapi.h"
  54 #include "msi.h"
  55 #include "appmgmt.h"
  56
  57 #include "initguid.h"
  58
  59 WINE_DEFAULT_DEBUG_CHANNEL(shell);
  60
  61 DEFINE_GUID( SHELL32_AdvtShortcutProduct,
  62        0x9db1186f,0x40df,0x11d1,0xaa,0x8c,0x00,0xc0,0x4f,0xb6,0x78,0x63);
  63 DEFINE_GUID( SHELL32_AdvtShortcutComponent,
  64        0x9db1186e,0x40df,0x11d1,0xaa,0x8c,0x00,0xc0,0x4f,0xb6,0x78,0x63);
  65
  66 /* link file formats */
  67
  68 #include "pshpack1.h"
  69
  70 typedef struct _LINK_HEADER
  71 {
  72         DWORD    dwSize;        /* 0x00 size of the header - 0x4c */
  73         GUID     MagicGuid;     /* 0x04 is CLSID_ShellLink */
  74         DWORD    dwFlags;       /* 0x14 describes elements following */
  75         DWORD    dwFileAttr;    /* 0x18 attributes of the target file */
  76         FILETIME Time1;         /* 0x1c */
  77         FILETIME Time2;         /* 0x24 */
  78         FILETIME Time3;         /* 0x2c */
  79         DWORD    dwFileLength;  /* 0x34 File length */
  80         DWORD    nIcon;         /* 0x38 icon number */
  81         DWORD   fStartup;       /* 0x3c startup type */
  82         DWORD   wHotKey;        /* 0x40 hotkey */
  83         DWORD   Unknown5;       /* 0x44 */
  84         DWORD   Unknown6;       /* 0x48 */
  85 } LINK_HEADER, * PLINK_HEADER;
  86
  87 #define SHLINK_LOCAL  0
  88 #define SHLINK_REMOTE 1
  89
  90 typedef struct _LOCATION_INFO
  91 {
  92     DWORD  dwTotalSize;
  93     DWORD  dwHeaderSize;
  94     DWORD  dwFlags;
  95     DWORD  dwVolTableOfs;
  96     DWORD  dwLocalPathOfs;
  97     DWORD  dwNetworkVolTableOfs;
  98     DWORD  dwFinalPathOfs;
  99 } LOCATION_INFO;
 100
 101 typedef struct _LOCAL_VOLUME_INFO
 102 {
 103     DWORD dwSize;
 104     DWORD dwType;
 105     DWORD dwVolSerial;
 106     DWORD dwVolLabelOfs;
 107 } LOCAL_VOLUME_INFO;
 108
 109 typedef struct volume_info_t
 110 {
 111     DWORD type;
 112     DWORD serial;
 113     WCHAR label[12];  /* assume 8.3 */
 114 } volume_info;
 115
 116 #include "poppack.h"
 117
 118 static const IShellLinkAVtbl slvt;
 119 static const IShellLinkWVtbl slvtw;
 120 static const IPersistFileVtbl pfvt;
 121 static const IPersistStreamVtbl psvt;
 122 static const IShellLinkDataListVtbl dlvt;
 123 static const IShellExtInitVtbl eivt;
 124 static const IContextMenuVtbl cmvt;
 125 static const IObjectWithSiteVtbl owsvt;
 126
 127 /* IShellLink Implementation */
 128
 129 typedef struct
 130 {
 131         const IShellLinkAVtbl *lpVtbl;
 132         const IShellLinkWVtbl *lpvtblw;
 133         const IPersistFileVtbl *lpvtblPersistFile;
 134         const IPersistStreamVtbl *lpvtblPersistStream;
 135         const IShellLinkDataListVtbl *lpvtblShellLinkDataList;
 136         const IShellExtInitVtbl *lpvtblShellExtInit;
 137         const IContextMenuVtbl *lpvtblContextMenu;
 138         const IObjectWithSiteVtbl *lpvtblObjectWithSite;
 139
 140         LONG            ref;
 141
 142         /* data structures according to the information in the link */
 143         LPITEMIDLIST    pPidl;
 144         WORD            wHotKey;
 145         SYSTEMTIME      time1;
 146         SYSTEMTIME      time2;
 147         SYSTEMTIME      time3;
 148
 149         DWORD         iShowCmd;
 150         LPWSTR        sIcoPath;
 151         INT           iIcoNdx;
 152         LPWSTR        sPath;
 153         LPWSTR        sArgs;
 154         LPWSTR        sWorkDir;
 155         LPWSTR        sDescription;
 156         LPWSTR        sPathRel;
 157         LPWSTR        sProduct;
 158         LPWSTR        sComponent;
 159         volume_info   volume;
 160
 161         BOOL          bDirty;
 162         INT           iIdOpen;  /* id of the "Open" entry in the context menu */
 163         IUnknown      *site;
 164
 165         LPOLESTR      filepath; /* file path returned by IPersistFile::GetCurFile */
 166 } IShellLinkImpl;
 167
 168 static inline IShellLinkImpl *impl_from_IShellLinkW( IShellLinkW *iface )
 169 {
 170     return (IShellLinkImpl *)((char*)iface - FIELD_OFFSET(IShellLinkImpl, lpvtblw));
 171 }
 172
 173 static inline IShellLinkImpl *impl_from_IPersistFile( IPersistFile *iface )
 174 {
 175     return (IShellLinkImpl *)((char*)iface - FIELD_OFFSET(IShellLinkImpl, lpvtblPersistFile));
 176 }
 177
 178 static inline IShellLinkImpl *impl_from_IPersistStream( IPersistStream *iface )
 179 {
 180     return (IShellLinkImpl *)((char*)iface - FIELD_OFFSET(IShellLinkImpl, lpvtblPersistStream));
 181 }
 182
 183 static inline IShellLinkImpl *impl_from_IShellLinkDataList( IShellLinkDataList *iface )
 184 {
 185     return (IShellLinkImpl *)((char*)iface - FIELD_OFFSET(IShellLinkImpl, lpvtblShellLinkDataList));
 186 }
 187
 188 static inline IShellLinkImpl *impl_from_IShellExtInit( IShellExtInit *iface )
 189 {
 190     return (IShellLinkImpl *)((char*)iface - FIELD_OFFSET(IShellLinkImpl, lpvtblShellExtInit));
 191 }
 192
 193 static inline IShellLinkImpl *impl_from_IContextMenu( IContextMenu *iface )
 194 {
 195     return (IShellLinkImpl *)((char*)iface - FIELD_OFFSET(IShellLinkImpl, lpvtblContextMenu));
 196 }
 197
 198 static inline IShellLinkImpl *impl_from_IObjectWithSite( IObjectWithSite *iface )
 199 {
 200     return (IShellLinkImpl *)((char*)iface - FIELD_OFFSET(IShellLinkImpl, lpvtblObjectWithSite));
 201 }
 202
 203 static HRESULT ShellLink_UpdatePath(LPCWSTR sPathRel, LPCWSTR path, LPCWSTR sWorkDir, LPWSTR* psPath);
 204
 205 /* strdup on the process heap */
 206 static inline LPWSTR HEAP_strdupAtoW( HANDLE heap, DWORD flags, LPCSTR str)
 207 {
 208     INT len = MultiByteToWideChar( CP_ACP, 0, str, -1, NULL, 0 );
 209     LPWSTR p = HeapAlloc( heap, flags, len*sizeof (WCHAR) );
 210     if( !p )
 211         return p;
 212     MultiByteToWideChar( CP_ACP, 0, str, -1, p, len );
 213     return p;
 214 }
 215
 216 static inline LPWSTR strdupW( LPCWSTR src )
 217 {
 218     LPWSTR dest;
 219     if (!src) return NULL;
 220     dest = HeapAlloc( GetProcessHeap(), 0, (lstrlenW(src)+1)*sizeof(WCHAR) );
 221     if (dest)
 222         lstrcpyW(dest, src);
 223     return dest;
 224 }
 225
 226 /**************************************************************************
 227  *  ShellLink::QueryInterface implementation
 228  */
 229 static HRESULT ShellLink_QueryInterface( IShellLinkImpl *This, REFIID riid,  LPVOID *ppvObj)
 230 {
 231     TRACE("(%p)->(\n\tIID:\t%s)\n",This,debugstr_guid(riid));
 232
 233     *ppvObj = NULL;
 234
 235     if(IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IShellLinkA))
 236     {
 237         *ppvObj = This;
 238     }
 239     else if(IsEqualIID(riid, &IID_IShellLinkW))
 240     {
 241         *ppvObj = &(This->lpvtblw);
 242     }
 243     else if(IsEqualIID(riid, &IID_IPersistFile))
 244     {
 245         *ppvObj = &(This->lpvtblPersistFile);
 246     }
 247     else if(IsEqualIID(riid, &IID_IPersistStream))
 248     {
 249         *ppvObj = &(This->lpvtblPersistStream);
 250     }
 251     else if(IsEqualIID(riid, &IID_IShellLinkDataList))
 252     {
 253         *ppvObj = &(This->lpvtblShellLinkDataList);
 254     }
 255     else if(IsEqualIID(riid, &IID_IShellExtInit))
 256     {
 257         *ppvObj = &(This->lpvtblShellExtInit);
 258     }
 259     else if(IsEqualIID(riid, &IID_IContextMenu))
 260     {
 261         *ppvObj = &(This->lpvtblContextMenu);
 262     }
 263     else if(IsEqualIID(riid, &IID_IObjectWithSite))
 264     {
 265         *ppvObj = &(This->lpvtblObjectWithSite);
 266     }
 267
 268     if(*ppvObj)
 269     {
 270         IUnknown_AddRef((IUnknown*)(*ppvObj));
 271         TRACE("-- Interface: (%p)->(%p)\n",ppvObj,*ppvObj);
 272         return S_OK;
 273     }
 274     ERR("-- Interface: E_NOINTERFACE\n");
 275     return E_NOINTERFACE;
 276 }
 277
 278 /**************************************************************************
 279  *  ShellLink::AddRef implementation
 280  */
 281 static ULONG ShellLink_AddRef( IShellLinkImpl *This )
 282 {
 283     ULONG refCount = InterlockedIncrement(&This->ref);
 284
 285     TRACE("(%p)->(count=%u)\n", This, refCount - 1);
 286
 287     return refCount;
 288 }
 289
 290 /**************************************************************************
 291  *  ShellLink::Release implementation
 292  */
 293 static ULONG ShellLink_Release( IShellLinkImpl *This )
 294 {
 295     ULONG refCount = InterlockedDecrement(&This->ref);
 296
 297     TRACE("(%p)->(count=%u)\n", This, refCount + 1);
 298
 299     if (refCount)
 300         return refCount;
 301
 302     TRACE("-- destroying IShellLink(%p)\n",This);
 303
 304     HeapFree(GetProcessHeap(), 0, This->sIcoPath);
 305     HeapFree(GetProcessHeap(), 0, This->sArgs);
 306     HeapFree(GetProcessHeap(), 0, This->sWorkDir);
 307     HeapFree(GetProcessHeap(), 0, This->sDescription);
 308     HeapFree(GetProcessHeap(), 0, This->sPath);
 309     HeapFree(GetProcessHeap(), 0, This->sPathRel);
 310     HeapFree(GetProcessHeap(), 0, This->sProduct);
 311     HeapFree(GetProcessHeap(), 0, This->sComponent);
 312     HeapFree(GetProcessHeap(), 0, This->filepath);
 313
 314     if (This->site)
 315         IUnknown_Release( This->site );
 316
 317     if (This->pPidl)
 318         ILFree(This->pPidl);
 319
 320     LocalFree(This);
 321
 322     return 0;
 323 }
 324
 325 static HRESULT ShellLink_GetClassID( IShellLinkImpl *This, CLSID *pclsid )
 326 {
 327     TRACE("%p %p\n", This, pclsid);
 328
 329     *pclsid = CLSID_ShellLink;
 330     return S_OK;
 331 }
 332
 333 /**************************************************************************
 334  *  IPersistFile_QueryInterface
 335  */
 336 static HRESULT WINAPI IPersistFile_fnQueryInterface(
 337         IPersistFile* iface,
 338         REFIID riid,
 339         LPVOID *ppvObj)
 340 {
 341     IShellLinkImpl *This = impl_from_IPersistFile(iface);
 342     return ShellLink_QueryInterface( This, riid, ppvObj );
 343 }
 344
 345 /******************************************************************************
 346  * IPersistFile_AddRef
 347  */
 348 static ULONG WINAPI IPersistFile_fnAddRef(IPersistFile* iface)
 349 {
 350     IShellLinkImpl *This = impl_from_IPersistFile(iface);
 351     return ShellLink_AddRef( This );
 352 }
 353
 354 /******************************************************************************
 355  * IPersistFile_Release
 356  */
 357 static ULONG WINAPI IPersistFile_fnRelease(IPersistFile* iface)
 358 {
 359     IShellLinkImpl *This = impl_from_IPersistFile(iface);
 360     return IShellLinkA_Release((IShellLinkA*)This);
 361 }
 362
 363 static HRESULT WINAPI IPersistFile_fnGetClassID(IPersistFile* iface, CLSID *pClassID)
 364 {
 365     IShellLinkImpl *This = impl_from_IPersistFile(iface);
 366     return ShellLink_GetClassID( This, pClassID );
 367 }
 368
 369 static HRESULT WINAPI IPersistFile_fnIsDirty(IPersistFile* iface)
 370 {
 371         IShellLinkImpl *This = impl_from_IPersistFile(iface);
 372
 373         TRACE("(%p)\n",This);
 374
 375         if (This->bDirty)
 376             return S_OK;
 377
 378         return S_FALSE;
 379 }
 380
 381 static HRESULT WINAPI IPersistFile_fnLoad(IPersistFile* iface, LPCOLESTR pszFileName, DWORD dwMode)
 382 {
 383         IShellLinkImpl *This = impl_from_IPersistFile(iface);
 384         IPersistStream *StreamThis = (IPersistStream *)&This->lpvtblPersistStream;
 385         HRESULT r;
 386         IStream *stm;
 387
 388         TRACE("(%p, %s, %x)\n",This, debugstr_w(pszFileName), dwMode);
 389
 390         if( dwMode == 0 )
 391                 dwMode = STGM_READ | STGM_SHARE_DENY_WRITE;
 392         r = SHCreateStreamOnFileW(pszFileName, dwMode, &stm);
 393         if( SUCCEEDED( r ) )
 394         {
 395             r = IPersistStream_Load(StreamThis, stm);
 396             ShellLink_UpdatePath(This->sPathRel, pszFileName, This->sWorkDir, &This->sPath);
 397             IStream_Release( stm );
 398
 399             /* update file path */
 400             HeapFree(GetProcessHeap(), 0, This->filepath);
 401             This->filepath = strdupW(pszFileName);
 402
 403             This->bDirty = FALSE;
 404         }
 405         TRACE("-- returning hr %08x\n", r);
 406         return r;
 407 }
 408
 409 BOOL run_winemenubuilder( const WCHAR *args )
 410 {
 411     static const WCHAR menubuilder[] = {'\\','w','i','n','e','m','e','n','u','b','u','i','l','d','e','r','.','e','x','e',0};
 412     LONG len;
 413     LPWSTR buffer;
 414     STARTUPINFOW si;
 415     PROCESS_INFORMATION pi;
 416     BOOL ret;
 417     WCHAR app[MAX_PATH];
 418     void *redir;
 419
 420     GetSystemDirectoryW( app, MAX_PATH - sizeof(menubuilder)/sizeof(WCHAR) );
 421     strcatW( app, menubuilder );
 422
 423     len = (strlenW( app ) + strlenW( args ) + 1) * sizeof(WCHAR);
 424     buffer = HeapAlloc( GetProcessHeap(), 0, len );
 425     if( !buffer )
 426         return FALSE;
 427
 428     strcpyW( buffer, app );
 429     strcatW( buffer, args );
 430
 431     TRACE("starting %s\n",debugstr_w(buffer));
 432
 433     memset(&si, 0, sizeof(si));
 434     si.cb = sizeof(si);
 435
 436     Wow64DisableWow64FsRedirection( &redir );
 437     ret = CreateProcessW( app, buffer, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi );
 438     Wow64RevertWow64FsRedirection( redir );
 439
 440     HeapFree( GetProcessHeap(), 0, buffer );
 441
 442     if (ret)
 443     {
 444         CloseHandle( pi.hProcess );
 445         CloseHandle( pi.hThread );
 446     }
 447
 448     return ret;
 449 }
 450
 451 static BOOL StartLinkProcessor( LPCOLESTR szLink )
 452 {
 453     static const WCHAR szFormat[] = {' ','-','w',' ','"','%','s','"',0 };
 454     LONG len;
 455     LPWSTR buffer;
 456     BOOL ret;
 457
 458     len = sizeof(szFormat) + lstrlenW( szLink ) * sizeof(WCHAR);
 459     buffer = HeapAlloc( GetProcessHeap(), 0, len );
 460     if( !buffer )
 461         return FALSE;
 462
 463     wsprintfW( buffer, szFormat, szLink );
 464     ret = run_winemenubuilder( buffer );
 465     HeapFree( GetProcessHeap(), 0, buffer );
 466     return ret;
 467 }
 468
 469 static HRESULT WINAPI IPersistFile_fnSave(IPersistFile* iface, LPCOLESTR pszFileName, BOOL fRemember)
 470 {
 471     IShellLinkImpl *This = impl_from_IPersistFile(iface);
 472     IPersistStream *StreamThis = (IPersistStream *)&This->lpvtblPersistStream;
 473     HRESULT r;
 474     IStream *stm;
 475
 476     TRACE("(%p)->(%s)\n",This,debugstr_w(pszFileName));
 477
 478     if (!pszFileName)
 479         return E_FAIL;
 480
 481     r = SHCreateStreamOnFileW( pszFileName, STGM_READWRITE | STGM_CREATE | STGM_SHARE_EXCLUSIVE, &stm );
 482     if( SUCCEEDED( r ) )
 483     {
 484         r = IPersistStream_Save(StreamThis, stm, FALSE);
 485         IStream_Release( stm );
 486
 487         if( SUCCEEDED( r ) )
 488         {
 489             StartLinkProcessor( pszFileName );
 490
 491             /* update file path */
 492             HeapFree(GetProcessHeap(), 0, This->filepath);
 493             This->filepath = strdupW(pszFileName);
 494
 495             This->bDirty = FALSE;
 496         }
 497         else
 498         {
 499             DeleteFileW( pszFileName );
 500             WARN("Failed to create shortcut %s\n", debugstr_w(pszFileName) );
 501         }
 502     }
 503
 504     return r;
 505 }
 506
 507 static HRESULT WINAPI IPersistFile_fnSaveCompleted(IPersistFile* iface, LPCOLESTR pszFileName)
 508 {
 509         IShellLinkImpl *This = impl_from_IPersistFile(iface);
 510         FIXME("(%p)->(%s)\n",This,debugstr_w(pszFileName));
 511         return NOERROR;
 512 }
 513
 514 static HRESULT WINAPI IPersistFile_fnGetCurFile(IPersistFile* iface, LPOLESTR *filename)
 515 {
 516     IShellLinkImpl *This = impl_from_IPersistFile(iface);
 517     IMalloc *pMalloc;
 518
 519     TRACE("(%p)->(%p)\n", This, filename);
 520
 521     if (!This->filepath)
 522     {
 523         *filename = NULL;
 524         return S_FALSE;
 525     }
 526
 527     SHGetMalloc(&pMalloc);
 528     *filename = IMalloc_Alloc(pMalloc, (strlenW(This->filepath)+1)*sizeof(WCHAR));
 529     if (!*filename) return E_OUTOFMEMORY;
 530
 531     strcpyW(*filename, This->filepath);
 532
 533     return S_OK;
 534 }
 535
 536 static const IPersistFileVtbl pfvt =
 537 {
 538         IPersistFile_fnQueryInterface,
 539         IPersistFile_fnAddRef,
 540         IPersistFile_fnRelease,
 541         IPersistFile_fnGetClassID,
 542         IPersistFile_fnIsDirty,
 543         IPersistFile_fnLoad,
 544         IPersistFile_fnSave,
 545         IPersistFile_fnSaveCompleted,
 546         IPersistFile_fnGetCurFile
 547 };
 548
 549 /************************************************************************
 550  * IPersistStream_QueryInterface
 551  */
 552 static HRESULT WINAPI IPersistStream_fnQueryInterface(
 553         IPersistStream* iface,
 554         REFIID     riid,
 555         VOID**     ppvObj)
 556 {
 557     IShellLinkImpl *This = impl_from_IPersistStream(iface);
 558     return ShellLink_QueryInterface( This, riid, ppvObj );
 559 }
 560
 561 /************************************************************************
 562  * IPersistStream_Release
 563  */
 564 static ULONG WINAPI IPersistStream_fnRelease(
 565         IPersistStream* iface)
 566 {
 567     IShellLinkImpl *This = impl_from_IPersistStream(iface);
 568     return IShellLinkA_Release((IShellLinkA*)This);
 569 }
 570
 571 /************************************************************************
 572  * IPersistStream_AddRef
 573  */
 574 static ULONG WINAPI IPersistStream_fnAddRef(
 575         IPersistStream* iface)
 576 {
 577     IShellLinkImpl *This = impl_from_IPersistStream(iface);
 578     return ShellLink_AddRef( This );
 579 }
 580
 581 /************************************************************************
 582  * IPersistStream_GetClassID
 583  *
 584  */
 585 static HRESULT WINAPI IPersistStream_fnGetClassID(
 586         IPersistStream* iface,
 587         CLSID* pClassID)
 588 {
 589     IShellLinkImpl *This = impl_from_IPersistStream(iface);
 590     return ShellLink_GetClassID( This, pClassID );
 591 }
 592
 593 /************************************************************************
 594  * IPersistStream_IsDirty (IPersistStream)
 595  */
 596 static HRESULT WINAPI IPersistStream_fnIsDirty(
 597         IPersistStream*  iface)
 598 {
 599         IShellLinkImpl *This = impl_from_IPersistStream(iface);
 600
 601         TRACE("(%p)\n", This);
 602
 603         return S_OK;
 604 }
 605
 606
 607 static HRESULT Stream_LoadString( IStream* stm, BOOL unicode, LPWSTR *pstr )
 608 {
 609     DWORD count;
 610     USHORT len;
 611     LPVOID temp;
 612     LPWSTR str;
 613     HRESULT r;
 614
 615     TRACE("%p\n", stm);
 616
 617     count = 0;
 618     r = IStream_Read(stm, &len, sizeof(len), &count);
 619     if ( FAILED (r) || ( count != sizeof(len) ) )
 620         return E_FAIL;
 621
 622     if( unicode )
 623         len *= sizeof (WCHAR);
 624
 625     TRACE("reading %d\n", len);
 626     temp = HeapAlloc(GetProcessHeap(), 0, len+sizeof(WCHAR));
 627     if( !temp )
 628         return E_OUTOFMEMORY;
 629     count = 0;
 630     r = IStream_Read(stm, temp, len, &count);
 631     if( FAILED (r) || ( count != len ) )
 632     {
 633         HeapFree( GetProcessHeap(), 0, temp );
 634         return E_FAIL;
 635     }
 636
 637     TRACE("read %s\n", debugstr_an(temp,len));
 638
 639     /* convert to unicode if necessary */
 640     if( !unicode )
 641     {
 642         count = MultiByteToWideChar( CP_ACP, 0, temp, len, NULL, 0 );
 643         str = HeapAlloc( GetProcessHeap(), 0, (count+1)*sizeof (WCHAR) );
 644         if( !str )
 645         {
 646             HeapFree( GetProcessHeap(), 0, temp );
 647             return E_OUTOFMEMORY;
 648         }
 649         MultiByteToWideChar( CP_ACP, 0, temp, len, str, count );
 650         HeapFree( GetProcessHeap(), 0, temp );
 651     }
 652     else
 653     {
 654         count /= 2;
 655         str = temp;
 656     }
 657     str[count] = 0;
 658
 659     *pstr = str;
 660
 661     return S_OK;
 662 }
 663
 664 static HRESULT Stream_ReadChunk( IStream* stm, LPVOID *data )
 665 {
 666     DWORD size;
 667     ULONG count;
 668     HRESULT r;
 669     struct sized_chunk {
 670         DWORD size;
 671         unsigned char data[1];
 672     } *chunk;
 673
 674     TRACE("%p\n",stm);
 675
 676     r = IStream_Read( stm, &size, sizeof(size), &count );
 677     if( FAILED( r )  || count != sizeof(size) )
 678         return E_FAIL;
 679
 680     chunk = HeapAlloc( GetProcessHeap(), 0, size );
 681     if( !chunk )
 682         return E_OUTOFMEMORY;
 683
 684     chunk->size = size;
 685     r = IStream_Read( stm, chunk->data, size - sizeof(size), &count );
 686     if( FAILED( r ) || count != (size - sizeof(size)) )
 687     {
 688         HeapFree( GetProcessHeap(), 0, chunk );
 689         return E_FAIL;
 690     }
 691
 692     TRACE("Read %d bytes\n",chunk->size);
 693
 694     *data = chunk;
 695
 696     return S_OK;
 697 }
 698
 699 static BOOL Stream_LoadVolume( LOCAL_VOLUME_INFO *vol, volume_info *volume )
 700 {
 701     const int label_sz = sizeof volume->label/sizeof volume->label[0];
 702     LPSTR label;
 703     int len;
 704
 705     volume->serial = vol->dwVolSerial;
 706     volume->type = vol->dwType;
 707
 708     if( !vol->dwVolLabelOfs )
 709         return FALSE;
 710     if( vol->dwSize <= vol->dwVolLabelOfs )
 711         return FALSE;
 712     len = vol->dwSize - vol->dwVolLabelOfs;
 713
 714     label = (LPSTR) vol;
 715     label += vol->dwVolLabelOfs;
 716     MultiByteToWideChar( CP_ACP, 0, label, len, volume->label, label_sz-1);
 717
 718     return TRUE;
 719 }
 720
 721 static LPWSTR Stream_LoadPath( LPCSTR p, DWORD maxlen )
 722 {
 723     int len = 0, wlen;
 724     LPWSTR path;
 725
 726     while( p[len] && (len < maxlen) )
 727         len++;
 728
 729     wlen = MultiByteToWideChar(CP_ACP, 0, p, len, NULL, 0);
 730     path = HeapAlloc(GetProcessHeap(), 0, (wlen+1)*sizeof(WCHAR));
 731     MultiByteToWideChar(CP_ACP, 0, p, len, path, wlen);
 732     path[wlen] = 0;
 733
 734     return path;
 735 }
 736
 737 static HRESULT Stream_LoadLocation( IStream *stm,
 738                 volume_info *volume, LPWSTR *path )
 739 {
 740     char *p = NULL;
 741     LOCATION_INFO *loc;
 742     HRESULT r;
 743     DWORD n;
 744
 745     r = Stream_ReadChunk( stm, (LPVOID*) &p );
 746     if( FAILED(r) )
 747         return r;
 748
 749     loc = (LOCATION_INFO*) p;
 750     if (loc->dwTotalSize < sizeof(LOCATION_INFO))
 751     {
 752         HeapFree( GetProcessHeap(), 0, p );
 753         return E_FAIL;
 754     }
 755
 756     /* if there's valid local volume information, load it */
 757     if( loc->dwVolTableOfs &&
 758        ((loc->dwVolTableOfs + sizeof(LOCAL_VOLUME_INFO)) <= loc->dwTotalSize) )
 759     {
 760         LOCAL_VOLUME_INFO *volume_info;
 761
 762         volume_info = (LOCAL_VOLUME_INFO*) &p[loc->dwVolTableOfs];
 763         Stream_LoadVolume( volume_info, volume );
 764     }
 765
 766     /* if there's a local path, load it */
 767     n = loc->dwLocalPathOfs;
 768     if( n && (n < loc->dwTotalSize) )
 769         *path = Stream_LoadPath( &p[n], loc->dwTotalSize - n );
 770
 771     TRACE("type %d serial %08x name %s path %s\n", volume->type,
 772           volume->serial, debugstr_w(volume->label), debugstr_w(*path));
 773
 774     HeapFree( GetProcessHeap(), 0, p );
 775     return S_OK;
 776 }
 777
 778 /*
 779  *  The format of the advertised shortcut info seems to be:
 780  *
 781  *  Offset     Description
 782  *  ------     -----------
 783  *
 784  *    0          Length of the block (4 bytes, usually 0x314)
 785  *    4          tag (dword)
 786  *    8          string data in ASCII
 787  *    8+0x104    string data in UNICODE
 788  *
 789  * In the original Win32 implementation the buffers are not initialized
 790  *  to zero, so data trailing the string is random garbage.
 791  */
 792 static HRESULT Stream_LoadAdvertiseInfo( IStream* stm, LPWSTR *str )
 793 {
 794     DWORD size;
 795     ULONG count;
 796     HRESULT r;
 797     EXP_DARWIN_LINK buffer;
 798
 799     TRACE("%p\n",stm);
 800
 801     r = IStream_Read( stm, &buffer.dbh.cbSize, sizeof (DWORD), &count );
 802     if( FAILED( r ) )
 803         return r;
 804
 805     /* make sure that we read the size of the structure even on error */
 806     size = sizeof buffer - sizeof (DWORD);
 807     if( buffer.dbh.cbSize != sizeof buffer )
 808     {
 809         ERR("Ooops.  This structure is not as expected...\n");
 810         return E_FAIL;
 811     }
 812
 813     r = IStream_Read( stm, &buffer.dbh.dwSignature, size, &count );
 814     if( FAILED( r ) )
 815         return r;
 816
 817     if( count != size )
 818         return E_FAIL;
 819
 820     TRACE("magic %08x  string = %s\n", buffer.dbh.dwSignature, debugstr_w(buffer.szwDarwinID));
 821
 822     if( (buffer.dbh.dwSignature&0xffff0000) != 0xa0000000 )
 823     {
 824         ERR("Unknown magic number %08x in advertised shortcut\n", buffer.dbh.dwSignature);
 825         return E_FAIL;
 826     }
 827
 828     *str = HeapAlloc( GetProcessHeap(), 0,
 829                      (lstrlenW(buffer.szwDarwinID)+1) * sizeof(WCHAR) );
 830     lstrcpyW( *str, buffer.szwDarwinID );
 831
 832     return S_OK;
 833 }
 834
 835 /************************************************************************
 836  * IPersistStream_Load (IPersistStream)
 837  */
 838 static HRESULT WINAPI IPersistStream_fnLoad(
 839     IPersistStream*  iface,
 840     IStream*         stm)
 841 {
 842     LINK_HEADER hdr;
 843     ULONG    dwBytesRead;
 844     BOOL     unicode;
 845     HRESULT  r;
 846     DWORD    zero;
 847
 848     IShellLinkImpl *This = impl_from_IPersistStream(iface);
 849
 850     TRACE("%p %p\n", This, stm);
 851
 852     if( !stm )
 853         return STG_E_INVALIDPOINTER;
 854
 855     dwBytesRead = 0;
 856     r = IStream_Read(stm, &hdr, sizeof(hdr), &dwBytesRead);
 857     if( FAILED( r ) )
 858         return r;
 859
 860     if( dwBytesRead != sizeof(hdr))
 861         return E_FAIL;
 862     if( hdr.dwSize != sizeof(hdr))
 863         return E_FAIL;
 864     if( !IsEqualIID(&hdr.MagicGuid, &CLSID_ShellLink) )
 865         return E_FAIL;
 866
 867     /* free all the old stuff */
 868     ILFree(This->pPidl);
 869     This->pPidl = NULL;
 870     memset( &This->volume, 0, sizeof This->volume );
 871     HeapFree(GetProcessHeap(), 0, This->sPath);
 872     This->sPath = NULL;
 873     HeapFree(GetProcessHeap(), 0, This->sDescription);
 874     This->sDescription = NULL;
 875     HeapFree(GetProcessHeap(), 0, This->sPathRel);
 876     This->sPathRel = NULL;
 877     HeapFree(GetProcessHeap(), 0, This->sWorkDir);
 878     This->sWorkDir = NULL;
 879     HeapFree(GetProcessHeap(), 0, This->sArgs);
 880     This->sArgs = NULL;
 881     HeapFree(GetProcessHeap(), 0, This->sIcoPath);
 882     This->sIcoPath = NULL;
 883     HeapFree(GetProcessHeap(), 0, This->sProduct);
 884     This->sProduct = NULL;
 885     HeapFree(GetProcessHeap(), 0, This->sComponent);
 886     This->sComponent = NULL;
 887
 888     This->wHotKey = (WORD)hdr.wHotKey;
 889     This->iIcoNdx = hdr.nIcon;
 890     FileTimeToSystemTime (&hdr.Time1, &This->time1);
 891     FileTimeToSystemTime (&hdr.Time2, &This->time2);
 892     FileTimeToSystemTime (&hdr.Time3, &This->time3);
 893     if (TRACE_ON(shell))
 894     {
 895         WCHAR sTemp[MAX_PATH];
 896         GetDateFormatW(LOCALE_USER_DEFAULT,DATE_SHORTDATE, &This->time1,
 897                        NULL, sTemp, sizeof(sTemp)/sizeof(*sTemp));
 898         TRACE("-- time1: %s\n", debugstr_w(sTemp) );
 899         GetDateFormatW(LOCALE_USER_DEFAULT,DATE_SHORTDATE, &This->time2,
 900                        NULL, sTemp, sizeof(sTemp)/sizeof(*sTemp));
 901         TRACE("-- time2: %s\n", debugstr_w(sTemp) );
 902         GetDateFormatW(LOCALE_USER_DEFAULT,DATE_SHORTDATE, &This->time3,
 903                        NULL, sTemp, sizeof(sTemp)/sizeof(*sTemp));
 904         TRACE("-- time3: %s\n", debugstr_w(sTemp) );
 905     }
 906
 907     /* load all the new stuff */
 908     if( hdr.dwFlags & SLDF_HAS_ID_LIST )
 909     {
 910         r = ILLoadFromStream( stm, &This->pPidl );
 911         if( FAILED( r ) )
 912             return r;
 913     }
 914     pdump(This->pPidl);
 915
 916     /* load the location information */
 917     if( hdr.dwFlags & SLDF_HAS_LINK_INFO )
 918         r = Stream_LoadLocation( stm, &This->volume, &This->sPath );
 919     if( FAILED( r ) )
 920         goto end;
 921
 922     unicode = hdr.dwFlags & SLDF_UNICODE;
 923     if( hdr.dwFlags & SLDF_HAS_NAME )
 924     {
 925         r = Stream_LoadString( stm, unicode, &This->sDescription );
 926         TRACE("Description  -> %s\n",debugstr_w(This->sDescription));
 927     }
 928     if( FAILED( r ) )
 929         goto end;
 930
 931     if( hdr.dwFlags & SLDF_HAS_RELPATH )
 932     {
 933         r = Stream_LoadString( stm, unicode, &This->sPathRel );
 934         TRACE("Relative Path-> %s\n",debugstr_w(This->sPathRel));
 935     }
 936     if( FAILED( r ) )
 937         goto end;
 938
 939     if( hdr.dwFlags & SLDF_HAS_WORKINGDIR )
 940     {
 941         r = Stream_LoadString( stm, unicode, &This->sWorkDir );
 942         TRACE("Working Dir  -> %s\n",debugstr_w(This->sWorkDir));
 943     }
 944     if( FAILED( r ) )
 945         goto end;
 946
 947     if( hdr.dwFlags & SLDF_HAS_ARGS )
 948     {
 949         r = Stream_LoadString( stm, unicode, &This->sArgs );
 950         TRACE("Working Dir  -> %s\n",debugstr_w(This->sArgs));
 951     }
 952     if( FAILED( r ) )
 953         goto end;
 954
 955     if( hdr.dwFlags & SLDF_HAS_ICONLOCATION )
 956     {
 957         r = Stream_LoadString( stm, unicode, &This->sIcoPath );
 958         TRACE("Icon file    -> %s\n",debugstr_w(This->sIcoPath));
 959     }
 960     if( FAILED( r ) )
 961         goto end;
 962
 963     if( hdr.dwFlags & SLDF_HAS_LOGO3ID )
 964     {
 965         r = Stream_LoadAdvertiseInfo( stm, &This->sProduct );
 966         TRACE("Product      -> %s\n",debugstr_w(This->sProduct));
 967     }
 968     if( FAILED( r ) )
 969         goto end;
 970
 971     if( hdr.dwFlags & SLDF_HAS_DARWINID )
 972     {
 973         r = Stream_LoadAdvertiseInfo( stm, &This->sComponent );
 974         TRACE("Component    -> %s\n",debugstr_w(This->sComponent));
 975     }
 976     if( FAILED( r ) )
 977         goto end;
 978
 979     r = IStream_Read(stm, &zero, sizeof zero, &dwBytesRead);
 980     if( FAILED( r ) || zero || dwBytesRead != sizeof zero )
 981     {
 982         /* Some lnk files have extra data blocks starting with a
 983          * DATABLOCK_HEADER. For instance EXP_SPECIAL_FOLDER and an unknown
 984          * one with a 0xa0000003 signature. However these don't seem to matter
 985          * too much.
 986          */
 987         WARN("Last word was not zero\n");
 988     }
 989
 990     TRACE("OK\n");
 991
 992     pdump (This->pPidl);
 993
 994     return S_OK;
 995 end:
 996     return r;
 997 }
 998
 999 /************************************************************************
1000  * Stream_WriteString
1001  *
1002  * Helper function for IPersistStream_Save. Writes a unicode string
1003  *  with terminating nul byte to a stream, preceded by the its length.
1004  */
1005 static HRESULT Stream_WriteString( IStream* stm, LPCWSTR str )
1006 {
1007     USHORT len = lstrlenW( str ) + 1;
1008     DWORD count;
1009     HRESULT r;
1010
1011     r = IStream_Write( stm, &len, sizeof(len), &count );
1012     if( FAILED( r ) )
1013         return r;
1014
1015     len *= sizeof(WCHAR);
1016
1017     r = IStream_Write( stm, str, len, &count );
1018     if( FAILED( r ) )
1019         return r;
1020
1021     return S_OK;
1022 }
1023
1024 /************************************************************************
1025  * Stream_WriteLocationInfo
1026  *
1027  * Writes the location info to a stream
1028  *
1029  * FIXME: One day we might want to write the network volume information
1030  *        and the final path.
1031  *        Figure out how Windows deals with unicode paths here.
1032  */
1033 static HRESULT Stream_WriteLocationInfo( IStream* stm, LPCWSTR path,
1034                                          volume_info *volume )
1035 {
1036     DWORD total_size, path_size, volume_info_size, label_size, final_path_size;
1037     LOCAL_VOLUME_INFO *vol;
1038     LOCATION_INFO *loc;
1039     LPSTR szLabel, szPath, szFinalPath;
1040     ULONG count = 0;
1041     HRESULT hr;
1042
1043     TRACE("%p %s %p\n", stm, debugstr_w(path), volume);
1044
1045     /* figure out the size of everything */
1046     label_size = WideCharToMultiByte( CP_ACP, 0, volume->label, -1,
1047                                       NULL, 0, NULL, NULL );
1048     path_size = WideCharToMultiByte( CP_ACP, 0, path, -1,
1049                                      NULL, 0, NULL, NULL );
1050     volume_info_size = sizeof *vol + label_size;
1051     final_path_size = 1;
1052     total_size = sizeof *loc + volume_info_size + path_size + final_path_size;
1053
1054     /* create pointers to everything */
1055     loc = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, total_size);
1056     vol = (LOCAL_VOLUME_INFO*) &loc[1];
1057     szLabel = (LPSTR) &vol[1];
1058     szPath = &szLabel[label_size];
1059     szFinalPath = &szPath[path_size];
1060
1061     /* fill in the location information header */
1062     loc->dwTotalSize = total_size;
1063     loc->dwHeaderSize = sizeof (*loc);
1064     loc->dwFlags = 1;
1065     loc->dwVolTableOfs = sizeof (*loc);
1066     loc->dwLocalPathOfs = sizeof (*loc) + volume_info_size;
1067     loc->dwNetworkVolTableOfs = 0;
1068     loc->dwFinalPathOfs = sizeof (*loc) + volume_info_size + path_size;
1069
1070     /* fill in the volume information */
1071     vol->dwSize = volume_info_size;
1072     vol->dwType = volume->type;
1073     vol->dwVolSerial = volume->serial;
1074     vol->dwVolLabelOfs = sizeof (*vol);
1075
1076     /* copy in the strings */
1077     WideCharToMultiByte( CP_ACP, 0, volume->label, -1,
1078                          szLabel, label_size, NULL, NULL );
1079     WideCharToMultiByte( CP_ACP, 0, path, -1,
1080                          szPath, path_size, NULL, NULL );
1081     szFinalPath[0] = 0;
1082
1083     hr = IStream_Write( stm, loc, total_size, &count );
1084     HeapFree(GetProcessHeap(), 0, loc);
1085
1086     return hr;
1087 }
1088
1089 static EXP_DARWIN_LINK* shelllink_build_darwinid( LPCWSTR string, DWORD magic )
1090 {
1091     EXP_DARWIN_LINK *buffer;
1092
1093     buffer = LocalAlloc( LMEM_ZEROINIT, sizeof *buffer );
1094     buffer->dbh.cbSize = sizeof *buffer;
1095     buffer->dbh.dwSignature = magic;
1096     lstrcpynW( buffer->szwDarwinID, string, MAX_PATH );
1097     WideCharToMultiByte(CP_ACP, 0, string, -1, buffer->szDarwinID, MAX_PATH, NULL, NULL );
1098
1099     return buffer;
1100 }
1101
1102 static HRESULT Stream_WriteAdvertiseInfo( IStream* stm, LPCWSTR string, DWORD magic )
1103 {
1104     EXP_DARWIN_LINK *buffer;
1105     ULONG count;
1106
1107     TRACE("%p\n",stm);
1108
1109     buffer = shelllink_build_darwinid( string, magic );
1110
1111     return IStream_Write( stm, buffer, buffer->dbh.cbSize, &count );
1112 }
1113
1114 /************************************************************************
1115  * IPersistStream_Save (IPersistStream)
1116  *
1117  * FIXME: makes assumptions about byte order
1118  */
1119 static HRESULT WINAPI IPersistStream_fnSave(
1120         IPersistStream*  iface,
1121         IStream*         stm,
1122         BOOL             fClearDirty)
1123 {
1124     LINK_HEADER header;
1125     ULONG   count;
1126     DWORD   zero;
1127     HRESULT r;
1128
1129     IShellLinkImpl *This = impl_from_IPersistStream(iface);
1130
1131     TRACE("%p %p %x\n", This, stm, fClearDirty);
1132
1133     memset(&header, 0, sizeof(header));
1134     header.dwSize = sizeof(header);
1135     header.fStartup = This->iShowCmd;
1136     header.MagicGuid = CLSID_ShellLink;
1137
1138     header.wHotKey = This->wHotKey;
1139     header.nIcon = This->iIcoNdx;
1140     header.dwFlags = SLDF_UNICODE;   /* strings are in unicode */
1141     if( This->pPidl )
1142         header.dwFlags |= SLDF_HAS_ID_LIST;
1143     if( This->sPath )
1144         header.dwFlags |= SLDF_HAS_LINK_INFO;
1145     if( This->sDescription )
1146         header.dwFlags |= SLDF_HAS_NAME;
1147     if( This->sWorkDir )
1148         header.dwFlags |= SLDF_HAS_WORKINGDIR;
1149     if( This->sArgs )
1150         header.dwFlags |= SLDF_HAS_ARGS;
1151     if( This->sIcoPath )
1152         header.dwFlags |= SLDF_HAS_ICONLOCATION;
1153     if( This->sProduct )
1154         header.dwFlags |= SLDF_HAS_LOGO3ID;
1155     if( This->sComponent )
1156         header.dwFlags |= SLDF_HAS_DARWINID;
1157
1158     SystemTimeToFileTime ( &This->time1, &header.Time1 );
1159     SystemTimeToFileTime ( &This->time2, &header.Time2 );
1160     SystemTimeToFileTime ( &This->time3, &header.Time3 );
1161
1162     /* write the Shortcut header */
1163     r = IStream_Write( stm, &header, sizeof(header), &count );
1164     if( FAILED( r ) )
1165     {
1166         ERR("Write failed at %d\n",__LINE__);
1167         return r;
1168     }
1169
1170     TRACE("Writing pidl\n");
1171
1172     /* write the PIDL to the shortcut */
1173     if( This->pPidl )
1174     {
1175         r = ILSaveToStream( stm, This->pPidl );
1176         if( FAILED( r ) )
1177         {
1178             ERR("Failed to write PIDL at %d\n",__LINE__);
1179             return r;
1180         }
1181     }
1182
1183     if( This->sPath )
1184         Stream_WriteLocationInfo( stm, This->sPath, &This->volume );
1185
1186     if( This->sDescription )
1187         r = Stream_WriteString( stm, This->sDescription );
1188
1189     if( This->sPathRel )
1190         r = Stream_WriteString( stm, This->sPathRel );
1191
1192     if( This->sWorkDir )
1193         r = Stream_WriteString( stm, This->sWorkDir );
1194
1195     if( This->sArgs )
1196         r = Stream_WriteString( stm, This->sArgs );
1197
1198     if( This->sIcoPath )
1199         r = Stream_WriteString( stm, This->sIcoPath );
1200
1201     if( This->sProduct )
1202         r = Stream_WriteAdvertiseInfo( stm, This->sProduct, EXP_SZ_ICON_SIG );
1203
1204     if( This->sComponent )
1205         r = Stream_WriteAdvertiseInfo( stm, This->sComponent, EXP_DARWIN_ID_SIG );
1206
1207     /* the last field is a single zero dword */
1208     zero = 0;
1209     r = IStream_Write( stm, &zero, sizeof zero, &count );
1210
1211     return S_OK;
1212 }
1213
1214 /************************************************************************
1215  * IPersistStream_GetSizeMax (IPersistStream)
1216  */
1217 static HRESULT WINAPI IPersistStream_fnGetSizeMax(
1218         IPersistStream*  iface,
1219         ULARGE_INTEGER*  pcbSize)
1220 {
1221         IShellLinkImpl *This = impl_from_IPersistStream(iface);
1222
1223         TRACE("(%p)\n", This);
1224
1225         return E_NOTIMPL;
1226 }
1227
1228 static const IPersistStreamVtbl psvt =
1229 {
1230         IPersistStream_fnQueryInterface,
1231         IPersistStream_fnAddRef,
1232         IPersistStream_fnRelease,
1233         IPersistStream_fnGetClassID,
1234         IPersistStream_fnIsDirty,
1235         IPersistStream_fnLoad,
1236         IPersistStream_fnSave,
1237         IPersistStream_fnGetSizeMax
1238 };
1239
1240 /**************************************************************************
1241  *        IShellLink_Constructor
1242  */
1243 HRESULT WINAPI IShellLink_Constructor( IUnknown *pUnkOuter,
1244                REFIID riid, LPVOID *ppv )
1245 {
1246         IShellLinkImpl * sl;
1247         HRESULT r;
1248
1249         TRACE("unkOut=%p riid=%s\n",pUnkOuter, debugstr_guid(riid));
1250
1251         *ppv = NULL;
1252
1253         if (pUnkOuter)
1254             return CLASS_E_NOAGGREGATION;
1255         sl = LocalAlloc(LMEM_ZEROINIT,sizeof(IShellLinkImpl));
1256         if (!sl)
1257             return E_OUTOFMEMORY;
1258
1259         sl->ref = 1;
1260         sl->lpVtbl = &slvt;
1261         sl->lpvtblw = &slvtw;
1262         sl->lpvtblPersistFile = &pfvt;
1263         sl->lpvtblPersistStream = &psvt;
1264         sl->lpvtblShellLinkDataList = &dlvt;
1265         sl->lpvtblShellExtInit = &eivt;
1266         sl->lpvtblContextMenu = &cmvt;
1267         sl->lpvtblObjectWithSite = &owsvt;
1268         sl->iShowCmd = SW_SHOWNORMAL;
1269         sl->bDirty = FALSE;
1270         sl->iIdOpen = -1;
1271         sl->site = NULL;
1272         sl->filepath = NULL;
1273
1274         TRACE("(%p)->()\n",sl);
1275
1276         r = ShellLink_QueryInterface( sl, riid, ppv );
1277         ShellLink_Release( sl );
1278         return r;
1279 }
1280
1281
1282 static BOOL SHELL_ExistsFileW(LPCWSTR path)
1283 {
1284     if (INVALID_FILE_ATTRIBUTES == GetFileAttributesW(path))
1285         return FALSE;
1286     return TRUE;
1287 }
1288
1289 /**************************************************************************
1290  *  ShellLink_UpdatePath
1291  *      update absolute path in sPath using relative path in sPathRel
1292  */
1293 static HRESULT ShellLink_UpdatePath(LPCWSTR sPathRel, LPCWSTR path, LPCWSTR sWorkDir, LPWSTR* psPath)
1294 {
1295     if (!path || !psPath)
1296         return E_INVALIDARG;
1297
1298     if (!*psPath && sPathRel) {
1299         WCHAR buffer[2*MAX_PATH], abs_path[2*MAX_PATH];
1300         LPWSTR final = NULL;
1301
1302         /* first try if [directory of link file] + [relative path] finds an existing file */
1303
1304         GetFullPathNameW( path, MAX_PATH*2, buffer, &final );
1305         if( !final )
1306             final = buffer;
1307         lstrcpyW(final, sPathRel);
1308
1309         *abs_path = '\0';
1310
1311         if (SHELL_ExistsFileW(buffer)) {
1312             if (!GetFullPathNameW(buffer, MAX_PATH, abs_path, &final))
1313                 lstrcpyW(abs_path, buffer);
1314         } else {
1315             /* try if [working directory] + [relative path] finds an existing file */
1316             if (sWorkDir) {
1317                 lstrcpyW(buffer, sWorkDir);
1318                 lstrcpyW(PathAddBackslashW(buffer), sPathRel);
1319
1320                 if (SHELL_ExistsFileW(buffer))
1321                     if (!GetFullPathNameW(buffer, MAX_PATH, abs_path, &final))
1322                         lstrcpyW(abs_path, buffer);
1323             }
1324         }
1325
1326         /* FIXME: This is even not enough - not all shell links can be resolved using this algorithm. */
1327         if (!*abs_path)
1328             lstrcpyW(abs_path, sPathRel);
1329
1330         *psPath = HeapAlloc(GetProcessHeap(), 0, (lstrlenW(abs_path)+1)*sizeof(WCHAR));
1331         if (!*psPath)
1332             return E_OUTOFMEMORY;
1333
1334         lstrcpyW(*psPath, abs_path);
1335     }
1336
1337     return S_OK;
1338 }
1339
1340 /**************************************************************************
1341  *        IShellLink_ConstructFromFile
1342  */
1343 HRESULT WINAPI IShellLink_ConstructFromFile( IUnknown* pUnkOuter, REFIID riid,
1344                LPCITEMIDLIST pidl, LPVOID* ppv)
1345 {
1346     IShellLinkW* psl;
1347
1348     HRESULT hr = IShellLink_Constructor(NULL, riid, (LPVOID*)&psl);
1349
1350     if (SUCCEEDED(hr)) {
1351         IPersistFile* ppf;
1352
1353         *ppv = NULL;
1354
1355         hr = IShellLinkW_QueryInterface(psl, &IID_IPersistFile, (LPVOID*)&ppf);
1356
1357         if (SUCCEEDED(hr)) {
1358             WCHAR path[MAX_PATH];
1359
1360             if (SHGetPathFromIDListW(pidl, path))
1361                 hr = IPersistFile_Load(ppf, path, 0);
1362             else
1363                 hr = E_FAIL;
1364
1365             if (SUCCEEDED(hr))
1366                 *ppv = psl;
1367
1368             IPersistFile_Release(ppf);
1369         }
1370
1371         if (!*ppv)
1372             IShellLinkW_Release(psl);
1373     }
1374
1375     return hr;
1376 }
1377
1378 /**************************************************************************
1379  *  IShellLinkA_QueryInterface
1380  */
1381 static HRESULT WINAPI IShellLinkA_fnQueryInterface( IShellLinkA * iface, REFIID riid,  LPVOID *ppvObj)
1382 {
1383     IShellLinkImpl *This = (IShellLinkImpl *)iface;
1384     return ShellLink_QueryInterface( This, riid, ppvObj );
1385 }
1386
1387 /******************************************************************************
1388  * IShellLinkA_AddRef
1389  */
1390 static ULONG WINAPI IShellLinkA_fnAddRef(IShellLinkA * iface)
1391 {
1392     IShellLinkImpl *This = (IShellLinkImpl *)iface;
1393     return ShellLink_AddRef( This );
1394 }
1395
1396 /******************************************************************************
1397  *      IShellLinkA_Release
1398  */
1399 static ULONG WINAPI IShellLinkA_fnRelease(IShellLinkA * iface)
1400 {
1401     IShellLinkImpl *This = (IShellLinkImpl *)iface;
1402     return ShellLink_Release( This );
1403 }
1404
1405 static HRESULT WINAPI IShellLinkA_fnGetPath(IShellLinkA * iface, LPSTR pszFile,
1406                   INT cchMaxPath, WIN32_FIND_DATAA *pfd, DWORD fFlags)
1407 {
1408     IShellLinkImpl *This = (IShellLinkImpl *)iface;
1409
1410     TRACE("(%p)->(pfile=%p len=%u find_data=%p flags=%u)(%s)\n",
1411           This, pszFile, cchMaxPath, pfd, fFlags, debugstr_w(This->sPath));
1412
1413     if (This->sComponent || This->sProduct)
1414         return S_FALSE;
1415
1416     if (cchMaxPath)
1417         pszFile[0] = 0;
1418     if (This->sPath)
1419         WideCharToMultiByte( CP_ACP, 0, This->sPath, -1,
1420                              pszFile, cchMaxPath, NULL, NULL);
1421
1422     if (pfd) FIXME("(%p): WIN32_FIND_DATA is not yet filled.\n", This);
1423
1424     return S_OK;
1425 }
1426
1427 static HRESULT WINAPI IShellLinkA_fnGetIDList(IShellLinkA * iface, LPITEMIDLIST * ppidl)
1428 {
1429     IShellLinkImpl *This = (IShellLinkImpl *)iface;
1430
1431     TRACE("(%p)->(ppidl=%p)\n",This, ppidl);
1432
1433     return IShellLinkW_GetIDList((IShellLinkW*)&(This->lpvtblw), ppidl);
1434 }
1435
1436 static HRESULT WINAPI IShellLinkA_fnSetIDList(IShellLinkA * iface, LPCITEMIDLIST pidl)
1437 {
1438     IShellLinkImpl *This = (IShellLinkImpl *)iface;
1439
1440     TRACE("(%p)->(pidl=%p)\n",This, pidl);
1441
1442     if (This->pPidl)
1443         ILFree(This->pPidl);
1444     This->pPidl = ILClone (pidl);
1445     This->bDirty = TRUE;
1446
1447     return S_OK;
1448 }
1449
1450 static HRESULT WINAPI IShellLinkA_fnGetDescription(IShellLinkA * iface, LPSTR pszName,INT cchMaxName)
1451 {
1452     IShellLinkImpl *This = (IShellLinkImpl *)iface;
1453
1454     TRACE("(%p)->(%p len=%u)\n",This, pszName, cchMaxName);
1455
1456     if( cchMaxName )
1457         pszName[0] = 0;
1458     if( This->sDescription )
1459         WideCharToMultiByte( CP_ACP, 0, This->sDescription, -1,
1460             pszName, cchMaxName, NULL, NULL);
1461
1462     return S_OK;
1463 }
1464
1465 static HRESULT WINAPI IShellLinkA_fnSetDescription(IShellLinkA * iface, LPCSTR pszName)
1466 {
1467     IShellLinkImpl *This = (IShellLinkImpl *)iface;
1468
1469     TRACE("(%p)->(pName=%s)\n", This, pszName);
1470
1471     HeapFree(GetProcessHeap(), 0, This->sDescription);
1472     This->sDescription = HEAP_strdupAtoW( GetProcessHeap(), 0, pszName);
1473     if ( !This->sDescription )
1474         return E_OUTOFMEMORY;
1475
1476     This->bDirty = TRUE;
1477
1478     return S_OK;
1479 }
1480
1481 static HRESULT WINAPI IShellLinkA_fnGetWorkingDirectory(IShellLinkA * iface, LPSTR pszDir,INT cchMaxPath)
1482 {
1483     IShellLinkImpl *This = (IShellLinkImpl *)iface;
1484
1485     TRACE("(%p)->(%p len=%u)\n", This, pszDir, cchMaxPath);
1486
1487     if( cchMaxPath )
1488         pszDir[0] = 0;
1489     if( This->sWorkDir )
1490         WideCharToMultiByte( CP_ACP, 0, This->sWorkDir, -1,
1491                              pszDir, cchMaxPath, NULL, NULL);
1492
1493     return S_OK;
1494 }
1495
1496 static HRESULT WINAPI IShellLinkA_fnSetWorkingDirectory(IShellLinkA * iface, LPCSTR pszDir)
1497 {
1498     IShellLinkImpl *This = (IShellLinkImpl *)iface;
1499
1500     TRACE("(%p)->(dir=%s)\n",This, pszDir);
1501
1502     HeapFree(GetProcessHeap(), 0, This->sWorkDir);
1503     This->sWorkDir = HEAP_strdupAtoW( GetProcessHeap(), 0, pszDir);
1504     if ( !This->sWorkDir )
1505         return E_OUTOFMEMORY;
1506
1507     This->bDirty = TRUE;
1508
1509     return S_OK;
1510 }
1511
1512 static HRESULT WINAPI IShellLinkA_fnGetArguments(IShellLinkA * iface, LPSTR pszArgs,INT cchMaxPath)
1513 {
1514     IShellLinkImpl *This = (IShellLinkImpl *)iface;
1515
1516     TRACE("(%p)->(%p len=%u)\n", This, pszArgs, cchMaxPath);
1517
1518     if( cchMaxPath )
1519         pszArgs[0] = 0;
1520     if( This->sArgs )
1521         WideCharToMultiByte( CP_ACP, 0, This->sArgs, -1,
1522                              pszArgs, cchMaxPath, NULL, NULL);
1523
1524     return S_OK;
1525 }
1526
1527 static HRESULT WINAPI IShellLinkA_fnSetArguments(IShellLinkA * iface, LPCSTR pszArgs)
1528 {
1529     IShellLinkImpl *This = (IShellLinkImpl *)iface;
1530
1531     TRACE("(%p)->(args=%s)\n",This, pszArgs);
1532
1533     HeapFree(GetProcessHeap(), 0, This->sArgs);
1534     if (pszArgs)
1535     {
1536         This->sArgs = HEAP_strdupAtoW( GetProcessHeap(), 0, pszArgs);
1537         if( !This->sArgs )
1538             return E_OUTOFMEMORY;
1539     }
1540     else This->sArgs = NULL;
1541
1542     This->bDirty = TRUE;
1543
1544     return S_OK;
1545 }
1546
1547 static HRESULT WINAPI IShellLinkA_fnGetHotkey(IShellLinkA * iface, WORD *pwHotkey)
1548 {
1549     IShellLinkImpl *This = (IShellLinkImpl *)iface;
1550
1551     TRACE("(%p)->(%p)(0x%08x)\n",This, pwHotkey, This->wHotKey);
1552
1553     *pwHotkey = This->wHotKey;
1554
1555     return S_OK;
1556 }
1557
1558 static HRESULT WINAPI IShellLinkA_fnSetHotkey(IShellLinkA * iface, WORD wHotkey)
1559 {
1560     IShellLinkImpl *This = (IShellLinkImpl *)iface;
1561
1562     TRACE("(%p)->(hotkey=%x)\n",This, wHotkey);
1563
1564     This->wHotKey = wHotkey;
1565     This->bDirty = TRUE;
1566
1567     return S_OK;
1568 }
1569
1570 static HRESULT WINAPI IShellLinkA_fnGetShowCmd(IShellLinkA * iface, INT *piShowCmd)
1571 {
1572     IShellLinkImpl *This = (IShellLinkImpl *)iface;
1573
1574     TRACE("(%p)->(%p)\n",This, piShowCmd);
1575     *piShowCmd = This->iShowCmd;
1576     return S_OK;
1577 }
1578
1579 static HRESULT WINAPI IShellLinkA_fnSetShowCmd(IShellLinkA * iface, INT iShowCmd)
1580 {
1581     IShellLinkImpl *This = (IShellLinkImpl *)iface;
1582
1583     TRACE("(%p) %d\n",This, iShowCmd);
1584
1585     This->iShowCmd = iShowCmd;
1586     This->bDirty = TRUE;
1587
1588     return NOERROR;
1589 }
1590
1591 static HRESULT SHELL_PidlGeticonLocationA(IShellFolder* psf, LPCITEMIDLIST pidl,
1592                                           LPSTR pszIconPath, int cchIconPath, int* piIcon)
1593 {
1594     LPCITEMIDLIST pidlLast;
1595
1596     HRESULT hr = SHBindToParent(pidl, &IID_IShellFolder, (LPVOID*)&psf, &pidlLast);
1597
1598     if (SUCCEEDED(hr)) {
1599         IExtractIconA* pei;
1600
1601         hr = IShellFolder_GetUIObjectOf(psf, 0, 1, &pidlLast, &IID_IExtractIconA, NULL, (LPVOID*)&pei);
1602
1603         if (SUCCEEDED(hr)) {
1604             hr = IExtractIconA_GetIconLocation(pei, 0, pszIconPath, MAX_PATH, piIcon, NULL);
1605
1606             IExtractIconA_Release(pei);
1607         }
1608
1609         IShellFolder_Release(psf);
1610     }
1611
1612     return hr;
1613 }
1614
1615 static HRESULT WINAPI IShellLinkA_fnGetIconLocation(IShellLinkA * iface, LPSTR pszIconPath,INT cchIconPath,INT *piIcon)
1616 {
1617     IShellLinkImpl *This = (IShellLinkImpl *)iface;
1618
1619     TRACE("(%p)->(%p len=%u iicon=%p)\n", This, pszIconPath, cchIconPath, piIcon);
1620
1621     pszIconPath[0] = 0;
1622     *piIcon = This->iIcoNdx;
1623
1624     if (This->sIcoPath)
1625     {
1626         WideCharToMultiByte(CP_ACP, 0, This->sIcoPath, -1, pszIconPath, cchIconPath, NULL, NULL);
1627         return S_OK;
1628     }
1629
1630     if (This->pPidl || This->sPath)
1631     {
1632         IShellFolder* pdsk;
1633
1634         HRESULT hr = SHGetDesktopFolder(&pdsk);
1635
1636         if (SUCCEEDED(hr))
1637         {
1638             /* first look for an icon using the PIDL (if present) */
1639             if (This->pPidl)
1640                 hr = SHELL_PidlGeticonLocationA(pdsk, This->pPidl, pszIconPath, cchIconPath, piIcon);
1641             else
1642                 hr = E_FAIL;
1643
1644             /* if we couldn't find an icon yet, look for it using the file system path */
1645             if (FAILED(hr) && This->sPath)
1646             {
1647                 LPITEMIDLIST pidl;
1648
1649                 hr = IShellFolder_ParseDisplayName(pdsk, 0, NULL, This->sPath, NULL, &pidl, NULL);
1650
1651                 if (SUCCEEDED(hr)) {
1652                     hr = SHELL_PidlGeticonLocationA(pdsk, pidl, pszIconPath, cchIconPath, piIcon);
1653
1654                     SHFree(pidl);
1655                 }
1656             }
1657
1658             IShellFolder_Release(pdsk);
1659         }
1660
1661         return hr;
1662     }
1663     return S_OK;
1664 }
1665
1666 static HRESULT WINAPI IShellLinkA_fnSetIconLocation(IShellLinkA * iface, LPCSTR pszIconPath,INT iIcon)
1667 {
1668     IShellLinkImpl *This = (IShellLinkImpl *)iface;
1669
1670     TRACE("(%p)->(path=%s iicon=%u)\n",This, pszIconPath, iIcon);
1671
1672     HeapFree(GetProcessHeap(), 0, This->sIcoPath);
1673     This->sIcoPath = HEAP_strdupAtoW(GetProcessHeap(), 0, pszIconPath);
1674     if ( !This->sIcoPath )
1675         return E_OUTOFMEMORY;
1676
1677     This->iIcoNdx = iIcon;
1678     This->bDirty = TRUE;
1679
1680     return S_OK;
1681 }
1682
1683 static HRESULT WINAPI IShellLinkA_fnSetRelativePath(IShellLinkA * iface, LPCSTR pszPathRel, DWORD dwReserved)
1684 {
1685     IShellLinkImpl *This = (IShellLinkImpl *)iface;
1686
1687     TRACE("(%p)->(path=%s %x)\n",This, pszPathRel, dwReserved);
1688
1689     HeapFree(GetProcessHeap(), 0, This->sPathRel);
1690     This->sPathRel = HEAP_strdupAtoW(GetProcessHeap(), 0, pszPathRel);
1691     This->bDirty = TRUE;
1692
1693     return ShellLink_UpdatePath(This->sPathRel, This->sPath, This->sWorkDir, &This->sPath);
1694 }
1695
1696 static HRESULT WINAPI IShellLinkA_fnResolve(IShellLinkA * iface, HWND hwnd, DWORD fFlags)
1697 {
1698     IShellLinkImpl *This = (IShellLinkImpl *)iface;
1699
1700     TRACE("(%p)->(hwnd=%p flags=%x)\n",This, hwnd, fFlags);
1701
1702     return IShellLinkW_Resolve( (IShellLinkW*)&(This->lpvtblw), hwnd, fFlags );
1703 }
1704
1705 static HRESULT WINAPI IShellLinkA_fnSetPath(IShellLinkA * iface, LPCSTR pszFile)
1706 {
1707     HRESULT r;
1708     LPWSTR str;
1709     IShellLinkImpl *This = (IShellLinkImpl *)iface;
1710
1711     TRACE("(%p)->(path=%s)\n",This, pszFile);
1712
1713     if (!pszFile) return E_INVALIDARG;
1714
1715     str = HEAP_strdupAtoW(GetProcessHeap(), 0, pszFile);
1716     if( !str )
1717         return E_OUTOFMEMORY;
1718
1719     r = IShellLinkW_SetPath((IShellLinkW*)&(This->lpvtblw), str);
1720     HeapFree( GetProcessHeap(), 0, str );
1721
1722     return r;
1723 }
1724
1725 /**************************************************************************
1726 * IShellLink Implementation
1727 */
1728
1729 static const IShellLinkAVtbl slvt =
1730 {
1731     IShellLinkA_fnQueryInterface,
1732     IShellLinkA_fnAddRef,
1733     IShellLinkA_fnRelease,
1734     IShellLinkA_fnGetPath,
1735     IShellLinkA_fnGetIDList,
1736     IShellLinkA_fnSetIDList,
1737     IShellLinkA_fnGetDescription,
1738     IShellLinkA_fnSetDescription,
1739     IShellLinkA_fnGetWorkingDirectory,
1740     IShellLinkA_fnSetWorkingDirectory,
1741     IShellLinkA_fnGetArguments,
1742     IShellLinkA_fnSetArguments,
1743     IShellLinkA_fnGetHotkey,
1744     IShellLinkA_fnSetHotkey,
1745     IShellLinkA_fnGetShowCmd,
1746     IShellLinkA_fnSetShowCmd,
1747     IShellLinkA_fnGetIconLocation,
1748     IShellLinkA_fnSetIconLocation,
1749     IShellLinkA_fnSetRelativePath,
1750     IShellLinkA_fnResolve,
1751     IShellLinkA_fnSetPath
1752 };
1753
1754
1755 /**************************************************************************
1756  *  IShellLinkW_fnQueryInterface
1757  */
1758 static HRESULT WINAPI IShellLinkW_fnQueryInterface(
1759   IShellLinkW * iface, REFIID riid, LPVOID *ppvObj)
1760 {
1761     IShellLinkImpl *This = impl_from_IShellLinkW(iface);
1762     return ShellLink_QueryInterface( This, riid, ppvObj );
1763 }
1764
1765 /******************************************************************************
1766  * IShellLinkW_fnAddRef
1767  */
1768 static ULONG WINAPI IShellLinkW_fnAddRef(IShellLinkW * iface)
1769 {
1770     IShellLinkImpl *This = impl_from_IShellLinkW(iface);
1771     return ShellLink_AddRef( This );
1772 }
1773
1774 /******************************************************************************
1775  * IShellLinkW_fnRelease
1776  */
1777 static ULONG WINAPI IShellLinkW_fnRelease(IShellLinkW * iface)
1778 {
1779     IShellLinkImpl *This = impl_from_IShellLinkW(iface);
1780     return ShellLink_Release( This );
1781 }
1782
1783 static HRESULT WINAPI IShellLinkW_fnGetPath(IShellLinkW * iface, LPWSTR pszFile,INT cchMaxPath, WIN32_FIND_DATAW *pfd, DWORD fFlags)
1784 {
1785     IShellLinkImpl *This = impl_from_IShellLinkW(iface);
1786
1787     TRACE("(%p)->(pfile=%p len=%u find_data=%p flags=%u)(%s)\n",
1788           This, pszFile, cchMaxPath, pfd, fFlags, debugstr_w(This->sPath));
1789
1790     if (This->sComponent || This->sProduct)
1791         return S_FALSE;
1792
1793     if (cchMaxPath)
1794         pszFile[0] = 0;
1795     if (This->sPath)
1796         lstrcpynW( pszFile, This->sPath, cchMaxPath );
1797
1798     if (pfd) FIXME("(%p): WIN32_FIND_DATA is not yet filled.\n", This);
1799
1800     return S_OK;
1801 }
1802
1803 static HRESULT WINAPI IShellLinkW_fnGetIDList(IShellLinkW * iface, LPITEMIDLIST * ppidl)
1804 {
1805     IShellLinkImpl *This = impl_from_IShellLinkW(iface);
1806
1807     TRACE("(%p)->(ppidl=%p)\n",This, ppidl);
1808
1809     if (!This->pPidl)
1810     {
1811         *ppidl = NULL;
1812         return S_FALSE;
1813     }
1814     *ppidl = ILClone(This->pPidl);
1815     return S_OK;
1816 }
1817
1818 static HRESULT WINAPI IShellLinkW_fnSetIDList(IShellLinkW * iface, LPCITEMIDLIST pidl)
1819 {
1820     IShellLinkImpl *This = impl_from_IShellLinkW(iface);
1821
1822     TRACE("(%p)->(pidl=%p)\n",This, pidl);
1823
1824     if( This->pPidl )
1825         ILFree( This->pPidl );
1826     This->pPidl = ILClone( pidl );
1827     if( !This->pPidl )
1828         return E_FAIL;
1829
1830     This->bDirty = TRUE;
1831
1832     return S_OK;
1833 }
1834
1835 static HRESULT WINAPI IShellLinkW_fnGetDescription(IShellLinkW * iface, LPWSTR pszName,INT cchMaxName)
1836 {
1837     IShellLinkImpl *This = impl_from_IShellLinkW(iface);
1838
1839     TRACE("(%p)->(%p len=%u)\n",This, pszName, cchMaxName);
1840
1841     pszName[0] = 0;
1842     if( This->sDescription )
1843         lstrcpynW( pszName, This->sDescription, cchMaxName );
1844
1845     return S_OK;
1846 }
1847
1848 static HRESULT WINAPI IShellLinkW_fnSetDescription(IShellLinkW * iface, LPCWSTR pszName)
1849 {
1850     IShellLinkImpl *This = impl_from_IShellLinkW(iface);
1851
1852     TRACE("(%p)->(desc=%s)\n",This, debugstr_w(pszName));
1853
1854     HeapFree(GetProcessHeap(), 0, This->sDescription);
1855     This->sDescription = HeapAlloc( GetProcessHeap(), 0,
1856                                     (lstrlenW( pszName )+1)*sizeof(WCHAR) );
1857     if ( !This->sDescription )
1858         return E_OUTOFMEMORY;
1859
1860     lstrcpyW( This->sDescription, pszName );
1861     This->bDirty = TRUE;
1862
1863     return S_OK;
1864 }
1865
1866 static HRESULT WINAPI IShellLinkW_fnGetWorkingDirectory(IShellLinkW * iface, LPWSTR pszDir,INT cchMaxPath)
1867 {
1868     IShellLinkImpl *This = impl_from_IShellLinkW(iface);
1869
1870     TRACE("(%p)->(%p len %u)\n", This, pszDir, cchMaxPath);
1871
1872     if( cchMaxPath )
1873         pszDir[0] = 0;
1874     if( This->sWorkDir )
1875         lstrcpynW( pszDir, This->sWorkDir, cchMaxPath );
1876
1877     return S_OK;
1878 }
1879
1880 static HRESULT WINAPI IShellLinkW_fnSetWorkingDirectory(IShellLinkW * iface, LPCWSTR pszDir)
1881 {
1882     IShellLinkImpl *This = impl_from_IShellLinkW(iface);
1883
1884     TRACE("(%p)->(dir=%s)\n",This, debugstr_w(pszDir));
1885
1886     HeapFree(GetProcessHeap(), 0, This->sWorkDir);
1887     This->sWorkDir = HeapAlloc( GetProcessHeap(), 0,
1888                                 (lstrlenW( pszDir )+1)*sizeof (WCHAR) );
1889     if ( !This->sWorkDir )
1890         return E_OUTOFMEMORY;
1891     lstrcpyW( This->sWorkDir, pszDir );
1892     This->bDirty = TRUE;
1893
1894     return S_OK;
1895 }
1896
1897 static HRESULT WINAPI IShellLinkW_fnGetArguments(IShellLinkW * iface, LPWSTR pszArgs,INT cchMaxPath)
1898 {
1899     IShellLinkImpl *This = impl_from_IShellLinkW(iface);
1900
1901     TRACE("(%p)->(%p len=%u)\n", This, pszArgs, cchMaxPath);
1902
1903     if( cchMaxPath )
1904         pszArgs[0] = 0;
1905     if( This->sArgs )
1906         lstrcpynW( pszArgs, This->sArgs, cchMaxPath );
1907
1908     return NOERROR;
1909 }
1910
1911 static HRESULT WINAPI IShellLinkW_fnSetArguments(IShellLinkW * iface, LPCWSTR pszArgs)
1912 {
1913     IShellLinkImpl *This = impl_from_IShellLinkW(iface);
1914
1915     TRACE("(%p)->(args=%s)\n",This, debugstr_w(pszArgs));
1916
1917     HeapFree(GetProcessHeap(), 0, This->sArgs);
1918     if (pszArgs)
1919     {
1920         This->sArgs = HeapAlloc( GetProcessHeap(), 0,
1921                                  (lstrlenW( pszArgs )+1)*sizeof (WCHAR) );
1922         if ( !This->sArgs )
1923             return E_OUTOFMEMORY;
1924         lstrcpyW( This->sArgs, pszArgs );
1925     }
1926     else This->sArgs = NULL;
1927
1928     This->bDirty = TRUE;
1929
1930     return S_OK;
1931 }
1932
1933 static HRESULT WINAPI IShellLinkW_fnGetHotkey(IShellLinkW * iface, WORD *pwHotkey)
1934 {
1935     IShellLinkImpl *This = impl_from_IShellLinkW(iface);
1936
1937     TRACE("(%p)->(%p)\n",This, pwHotkey);
1938
1939     *pwHotkey=This->wHotKey;
1940
1941     return S_OK;
1942 }
1943
1944 static HRESULT WINAPI IShellLinkW_fnSetHotkey(IShellLinkW * iface, WORD wHotkey)
1945 {
1946     IShellLinkImpl *This = impl_from_IShellLinkW(iface);
1947
1948     TRACE("(%p)->(hotkey=%x)\n",This, wHotkey);
1949
1950     This->wHotKey = wHotkey;
1951     This->bDirty = TRUE;
1952
1953     return S_OK;
1954 }
1955
1956 static HRESULT WINAPI IShellLinkW_fnGetShowCmd(IShellLinkW * iface, INT *piShowCmd)
1957 {
1958     IShellLinkImpl *This = impl_from_IShellLinkW(iface);
1959
1960     TRACE("(%p)->(%p)\n",This, piShowCmd);
1961
1962     *piShowCmd = This->iShowCmd;
1963
1964     return S_OK;
1965 }
1966
1967 static HRESULT WINAPI IShellLinkW_fnSetShowCmd(IShellLinkW * iface, INT iShowCmd)
1968 {
1969     IShellLinkImpl *This = impl_from_IShellLinkW(iface);
1970
1971     This->iShowCmd = iShowCmd;
1972     This->bDirty = TRUE;
1973
1974     return S_OK;
1975 }
1976
1977 static HRESULT SHELL_PidlGeticonLocationW(IShellFolder* psf, LPCITEMIDLIST pidl,
1978                                           LPWSTR pszIconPath, int cchIconPath, int* piIcon)
1979 {
1980     LPCITEMIDLIST pidlLast;
1981
1982     HRESULT hr = SHBindToParent(pidl, &IID_IShellFolder, (LPVOID*)&psf, &pidlLast);
1983
1984     if (SUCCEEDED(hr)) {
1985         IExtractIconW* pei;
1986
1987         hr = IShellFolder_GetUIObjectOf(psf, 0, 1, &pidlLast, &IID_IExtractIconW, NULL, (LPVOID*)&pei);
1988
1989         if (SUCCEEDED(hr)) {
1990             hr = IExtractIconW_GetIconLocation(pei, 0, pszIconPath, MAX_PATH, piIcon, NULL);
1991
1992             IExtractIconW_Release(pei);
1993         }
1994
1995         IShellFolder_Release(psf);
1996     }
1997
1998     return hr;
1999 }
2000
2001 static HRESULT WINAPI IShellLinkW_fnGetIconLocation(IShellLinkW * iface, LPWSTR pszIconPath,INT cchIconPath,INT *piIcon)
2002 {
2003     IShellLinkImpl *This = impl_from_IShellLinkW(iface);
2004
2005     TRACE("(%p)->(%p len=%u iicon=%p)\n", This, pszIconPath, cchIconPath, piIcon);
2006
2007     pszIconPath[0] = 0;
2008     *piIcon = This->iIcoNdx;
2009
2010     if (This->sIcoPath)
2011     {
2012         lstrcpynW(pszIconPath, This->sIcoPath, cchIconPath);
2013         return S_OK;
2014     }
2015
2016     if (This->pPidl || This->sPath)
2017     {
2018         IShellFolder* pdsk;
2019
2020         HRESULT hr = SHGetDesktopFolder(&pdsk);
2021
2022         if (SUCCEEDED(hr))
2023         {
2024             /* first look for an icon using the PIDL (if present) */
2025             if (This->pPidl)
2026                 hr = SHELL_PidlGeticonLocationW(pdsk, This->pPidl, pszIconPath, cchIconPath, piIcon);
2027             else
2028                 hr = E_FAIL;
2029
2030             /* if we couldn't find an icon yet, look for it using the file system path */
2031             if (FAILED(hr) && This->sPath)
2032             {
2033                 LPITEMIDLIST pidl;
2034
2035                 hr = IShellFolder_ParseDisplayName(pdsk, 0, NULL, This->sPath, NULL, &pidl, NULL);
2036
2037                 if (SUCCEEDED(hr))
2038                 {
2039                     hr = SHELL_PidlGeticonLocationW(pdsk, pidl, pszIconPath, cchIconPath, piIcon);
2040
2041                     SHFree(pidl);
2042                 }
2043             }
2044
2045             IShellFolder_Release(pdsk);
2046         }
2047         return hr;
2048     }
2049     return S_OK;
2050 }
2051
2052 static HRESULT WINAPI IShellLinkW_fnSetIconLocation(IShellLinkW * iface, LPCWSTR pszIconPath,INT iIcon)
2053 {
2054     IShellLinkImpl *This = impl_from_IShellLinkW(iface);
2055
2056     TRACE("(%p)->(path=%s iicon=%u)\n",This, debugstr_w(pszIconPath), iIcon);
2057
2058     HeapFree(GetProcessHeap(), 0, This->sIcoPath);
2059     This->sIcoPath = HeapAlloc( GetProcessHeap(), 0,
2060                                 (lstrlenW( pszIconPath )+1)*sizeof (WCHAR) );
2061     if ( !This->sIcoPath )
2062         return E_OUTOFMEMORY;
2063     lstrcpyW( This->sIcoPath, pszIconPath );
2064
2065     This->iIcoNdx = iIcon;
2066     This->bDirty = TRUE;
2067
2068     return S_OK;
2069 }
2070
2071 static HRESULT WINAPI IShellLinkW_fnSetRelativePath(IShellLinkW * iface, LPCWSTR pszPathRel, DWORD dwReserved)
2072 {
2073     IShellLinkImpl *This = impl_from_IShellLinkW(iface);
2074
2075     TRACE("(%p)->(path=%s %x)\n",This, debugstr_w(pszPathRel), dwReserved);
2076
2077     HeapFree(GetProcessHeap(), 0, This->sPathRel);
2078     This->sPathRel = HeapAlloc( GetProcessHeap(), 0,
2079                                 (lstrlenW( pszPathRel )+1) * sizeof (WCHAR) );
2080     if ( !This->sPathRel )
2081         return E_OUTOFMEMORY;
2082     lstrcpyW( This->sPathRel, pszPathRel );
2083     This->bDirty = TRUE;
2084
2085     return ShellLink_UpdatePath(This->sPathRel, This->sPath, This->sWorkDir, &This->sPath);
2086 }
2087
2088 static HRESULT WINAPI IShellLinkW_fnResolve(IShellLinkW * iface, HWND hwnd, DWORD fFlags)
2089 {
2090     HRESULT hr = S_OK;
2091     BOOL bSuccess;
2092
2093     IShellLinkImpl *This = impl_from_IShellLinkW(iface);
2094
2095     TRACE("(%p)->(hwnd=%p flags=%x)\n",This, hwnd, fFlags);
2096
2097     /*FIXME: use IResolveShellLink interface */
2098
2099     if (!This->sPath && This->pPidl) {
2100         WCHAR buffer[MAX_PATH];
2101
2102         bSuccess = SHGetPathFromIDListW(This->pPidl, buffer);
2103
2104         if (bSuccess && *buffer) {
2105             This->sPath = HeapAlloc(GetProcessHeap(), 0, (lstrlenW(buffer)+1)*sizeof(WCHAR));
2106             if (!This->sPath)
2107                 return E_OUTOFMEMORY;
2108
2109             lstrcpyW(This->sPath, buffer);
2110
2111             This->bDirty = TRUE;
2112         } else
2113             hr = S_OK;    /* don't report an error occurred while just caching information */
2114     }
2115
2116     if (!This->sIcoPath && This->sPath) {
2117         This->sIcoPath = HeapAlloc(GetProcessHeap(), 0, (lstrlenW(This->sPath)+1)*sizeof(WCHAR));
2118         if (!This->sIcoPath)
2119             return E_OUTOFMEMORY;
2120
2121         lstrcpyW(This->sIcoPath, This->sPath);
2122         This->iIcoNdx = 0;
2123
2124         This->bDirty = TRUE;
2125     }
2126
2127     return hr;
2128 }
2129
2130 static LPWSTR ShellLink_GetAdvertisedArg(LPCWSTR str)
2131 {
2132     LPWSTR ret;
2133     LPCWSTR p;
2134     DWORD len;
2135
2136     if( !str )
2137         return NULL;
2138
2139     p = strchrW( str, ':' );
2140     if( !p )
2141         return NULL;
2142     len = p - str;
2143     ret = HeapAlloc( GetProcessHeap(), 0, sizeof(WCHAR)*(len+1));
2144     if( !ret )
2145         return ret;
2146     memcpy( ret, str, sizeof(WCHAR)*len );
2147     ret[len] = 0;
2148     return ret;
2149 }
2150
2151 static HRESULT ShellLink_SetAdvertiseInfo(IShellLinkImpl *This, LPCWSTR str)
2152 {
2153     LPCWSTR szComponent = NULL, szProduct = NULL, p;
2154     WCHAR szGuid[39];
2155     HRESULT r;
2156     GUID guid;
2157     int len;
2158
2159     while( str[0] )
2160     {
2161         /* each segment must start with two colons */
2162         if( str[0] != ':' || str[1] != ':' )
2163             return E_FAIL;
2164
2165         /* the last segment is just two colons */
2166         if( !str[2] )
2167             break;
2168         str += 2;
2169
2170         /* there must be a colon straight after a guid */
2171         p = strchrW( str, ':' );
2172         if( !p )
2173             return E_FAIL;
2174         len = p - str;
2175         if( len != 38 )
2176             return E_FAIL;
2177
2178         /* get the guid, and check it's validly formatted */
2179         memcpy( szGuid, str, sizeof(WCHAR)*len );
2180         szGuid[len] = 0;
2181         r = CLSIDFromString( szGuid, &guid );
2182         if( r != S_OK )
2183             return r;
2184         str = p + 1;
2185
2186         /* match it up to a guid that we care about */
2187         if( IsEqualGUID( &guid, &SHELL32_AdvtShortcutComponent ) && !szComponent )
2188             szComponent = str;
2189         else if( IsEqualGUID( &guid, &SHELL32_AdvtShortcutProduct ) && !szProduct )
2190             szProduct = str;
2191         else
2192             return E_FAIL;
2193
2194         /* skip to the next field */
2195         str = strchrW( str, ':' );
2196         if( !str )
2197             return E_FAIL;
2198     }
2199
2200     /* we have to have a component for an advertised shortcut */
2201     if( !szComponent )
2202         return E_FAIL;
2203
2204     This->sComponent = ShellLink_GetAdvertisedArg( szComponent );
2205     This->sProduct = ShellLink_GetAdvertisedArg( szProduct );
2206
2207     TRACE("Component = %s\n", debugstr_w(This->sComponent));
2208     TRACE("Product = %s\n", debugstr_w(This->sProduct));
2209
2210     return S_OK;
2211 }
2212
2213 static BOOL ShellLink_GetVolumeInfo(LPCWSTR path, volume_info *volume)
2214 {
2215     const int label_sz = sizeof volume->label/sizeof volume->label[0];
2216     WCHAR drive[4] = { path[0], ':', '\\', 0 };
2217     BOOL r;
2218
2219     volume->type = GetDriveTypeW(drive);
2220     r = GetVolumeInformationW(drive, volume->label, label_sz,
2221                               &volume->serial, NULL, NULL, NULL, 0);
2222     TRACE("r = %d type %d serial %08x name %s\n", r,
2223           volume->type, volume->serial, debugstr_w(volume->label));
2224     return r;
2225 }
2226
2227 static HRESULT WINAPI IShellLinkW_fnSetPath(IShellLinkW * iface, LPCWSTR pszFile)
2228 {
2229     IShellLinkImpl *This = impl_from_IShellLinkW(iface);
2230     WCHAR buffer[MAX_PATH];
2231     LPWSTR fname, unquoted = NULL;
2232     HRESULT hr = S_OK;
2233     UINT len;
2234
2235     TRACE("(%p)->(path=%s)\n",This, debugstr_w(pszFile));
2236
2237     if (!pszFile) return E_INVALIDARG;
2238
2239     /* quotes at the ends of the string are stripped */
2240     len = lstrlenW(pszFile);
2241     if (pszFile[0] == '"' && pszFile[len-1] == '"')
2242     {
2243         unquoted = strdupW(pszFile);
2244         PathUnquoteSpacesW(unquoted);
2245         pszFile = unquoted;
2246     }
2247
2248     /* any other quote marks are invalid */
2249     if (strchrW(pszFile, '"'))
2250     {
2251         HeapFree(GetProcessHeap(), 0, unquoted);
2252         return S_FALSE;
2253     }
2254
2255     HeapFree(GetProcessHeap(), 0, This->sPath);
2256     This->sPath = NULL;
2257
2258     HeapFree(GetProcessHeap(), 0, This->sComponent);
2259     This->sComponent = NULL;
2260
2261     if (This->pPidl)
2262         ILFree(This->pPidl);
2263     This->pPidl = NULL;
2264
2265     if (S_OK != ShellLink_SetAdvertiseInfo( This, pszFile ))
2266     {
2267         if (*pszFile == '\0')
2268             *buffer = '\0';
2269         else if (!GetFullPathNameW(pszFile, MAX_PATH, buffer, &fname))
2270             return E_FAIL;
2271         else if(!PathFileExistsW(buffer) &&
2272                 !SearchPathW(NULL, pszFile, NULL, MAX_PATH, buffer, NULL))
2273           hr = S_FALSE;
2274
2275         This->pPidl = SHSimpleIDListFromPathW(pszFile);
2276         ShellLink_GetVolumeInfo(buffer, &This->volume);
2277
2278         This->sPath = HeapAlloc( GetProcessHeap(), 0,
2279                              (lstrlenW( buffer )+1) * sizeof (WCHAR) );
2280         if (!This->sPath)
2281         {
2282             HeapFree(GetProcessHeap(), 0, unquoted);
2283             return E_OUTOFMEMORY;
2284         }
2285
2286         lstrcpyW(This->sPath, buffer);
2287     }
2288     This->bDirty = TRUE;
2289     HeapFree(GetProcessHeap(), 0, unquoted);
2290
2291     return hr;
2292 }
2293
2294 /**************************************************************************
2295 * IShellLinkW Implementation
2296 */
2297
2298 static const IShellLinkWVtbl slvtw =
2299 {
2300     IShellLinkW_fnQueryInterface,
2301     IShellLinkW_fnAddRef,
2302     IShellLinkW_fnRelease,
2303     IShellLinkW_fnGetPath,
2304     IShellLinkW_fnGetIDList,
2305     IShellLinkW_fnSetIDList,
2306     IShellLinkW_fnGetDescription,
2307     IShellLinkW_fnSetDescription,
2308     IShellLinkW_fnGetWorkingDirectory,
2309     IShellLinkW_fnSetWorkingDirectory,
2310     IShellLinkW_fnGetArguments,
2311     IShellLinkW_fnSetArguments,
2312     IShellLinkW_fnGetHotkey,
2313     IShellLinkW_fnSetHotkey,
2314     IShellLinkW_fnGetShowCmd,
2315     IShellLinkW_fnSetShowCmd,
2316     IShellLinkW_fnGetIconLocation,
2317     IShellLinkW_fnSetIconLocation,
2318     IShellLinkW_fnSetRelativePath,
2319     IShellLinkW_fnResolve,
2320     IShellLinkW_fnSetPath
2321 };
2322
2323 static HRESULT WINAPI
2324 ShellLink_DataList_QueryInterface( IShellLinkDataList* iface, REFIID riid, void** ppvObject)
2325 {
2326     IShellLinkImpl *This = impl_from_IShellLinkDataList(iface);
2327     return IShellLinkA_QueryInterface((IShellLinkA*)This, riid, ppvObject);
2328 }
2329
2330 static ULONG WINAPI
2331 ShellLink_DataList_AddRef( IShellLinkDataList* iface )
2332 {
2333     IShellLinkImpl *This = impl_from_IShellLinkDataList(iface);
2334     return IShellLinkA_AddRef((IShellLinkA*)This);
2335 }
2336
2337 static ULONG WINAPI
2338 ShellLink_DataList_Release( IShellLinkDataList* iface )
2339 {
2340     IShellLinkImpl *This = impl_from_IShellLinkDataList(iface);
2341     return ShellLink_Release( This );
2342 }
2343
2344 static HRESULT WINAPI
2345 ShellLink_AddDataBlock( IShellLinkDataList* iface, void* pDataBlock )
2346 {
2347     FIXME("(%p)->(%p): stub\n", iface, pDataBlock);
2348     return E_NOTIMPL;
2349 }
2350
2351 static HRESULT WINAPI
2352 ShellLink_CopyDataBlock( IShellLinkDataList* iface, DWORD dwSig, void** ppDataBlock )
2353 {
2354     IShellLinkImpl *This = impl_from_IShellLinkDataList(iface);
2355     LPVOID block = NULL;
2356     HRESULT r = E_FAIL;
2357
2358     TRACE("%p %08x %p\n", iface, dwSig, ppDataBlock );
2359
2360     switch (dwSig)
2361     {
2362     case EXP_DARWIN_ID_SIG:
2363         if (!This->sComponent)
2364             break;
2365         block = shelllink_build_darwinid( This->sComponent, dwSig );
2366         r = S_OK;
2367         break;
2368     case EXP_SZ_LINK_SIG:
2369     case NT_CONSOLE_PROPS_SIG:
2370     case NT_FE_CONSOLE_PROPS_SIG:
2371     case EXP_SPECIAL_FOLDER_SIG:
2372     case EXP_SZ_ICON_SIG:
2373         FIXME("valid but unhandled datablock %08x\n", dwSig);
2374         break;
2375     default:
2376         ERR("unknown datablock %08x\n", dwSig);
2377     }
2378     *ppDataBlock = block;
2379     return r;
2380 }
2381
2382 static HRESULT WINAPI
2383 ShellLink_RemoveDataBlock( IShellLinkDataList* iface, DWORD dwSig )
2384 {
2385     FIXME("(%p)->(%u): stub\n", iface, dwSig);
2386     return E_NOTIMPL;
2387 }
2388
2389 static HRESULT WINAPI
2390 ShellLink_GetFlags( IShellLinkDataList* iface, DWORD* pdwFlags )
2391 {
2392     IShellLinkImpl *This = impl_from_IShellLinkDataList(iface);
2393     DWORD flags = 0;
2394
2395     FIXME("(%p)->(%p): partially implemented\n", This, pdwFlags);
2396
2397     /* FIXME: add more */
2398     if (This->sArgs)
2399         flags |= SLDF_HAS_ARGS;
2400     if (This->sComponent)
2401         flags |= SLDF_HAS_DARWINID;
2402     if (This->sIcoPath)
2403         flags |= SLDF_HAS_ICONLOCATION;
2404     if (This->sProduct)
2405         flags |= SLDF_HAS_LOGO3ID;
2406     if (This->pPidl)
2407         flags |= SLDF_HAS_ID_LIST;
2408
2409     *pdwFlags = flags;
2410
2411     return S_OK;
2412 }
2413
2414 static HRESULT WINAPI
2415 ShellLink_SetFlags( IShellLinkDataList* iface, DWORD dwFlags )
2416 {
2417     FIXME("(%p)->(%u): stub\n", iface, dwFlags);
2418     return E_NOTIMPL;
2419 }
2420
2421 static const IShellLinkDataListVtbl dlvt =
2422 {
2423     ShellLink_DataList_QueryInterface,
2424     ShellLink_DataList_AddRef,
2425     ShellLink_DataList_Release,
2426     ShellLink_AddDataBlock,
2427     ShellLink_CopyDataBlock,
2428     ShellLink_RemoveDataBlock,
2429     ShellLink_GetFlags,
2430     ShellLink_SetFlags
2431 };
2432
2433 static HRESULT WINAPI
2434 ShellLink_ExtInit_QueryInterface( IShellExtInit* iface, REFIID riid, void** ppvObject )
2435 {
2436     IShellLinkImpl *This = impl_from_IShellExtInit(iface);
2437     return IShellLinkA_QueryInterface((IShellLinkA*)This, riid, ppvObject);
2438 }
2439
2440 static ULONG WINAPI
2441 ShellLink_ExtInit_AddRef( IShellExtInit* iface )
2442 {
2443     IShellLinkImpl *This = impl_from_IShellExtInit(iface);
2444     return IShellLinkA_AddRef((IShellLinkA*)This);
2445 }
2446
2447 static ULONG WINAPI
2448 ShellLink_ExtInit_Release( IShellExtInit* iface )
2449 {
2450     IShellLinkImpl *This = impl_from_IShellExtInit(iface);
2451     return ShellLink_Release( This );
2452 }
2453
2454 /**************************************************************************
2455  * ShellLink implementation of IShellExtInit::Initialize()
2456  *
2457  * Loads the shelllink from the dataobject the shell is pointing to.
2458  */
2459 static HRESULT WINAPI
2460 ShellLink_ExtInit_Initialize( IShellExtInit* iface, LPCITEMIDLIST pidlFolder,
2461                               IDataObject *pdtobj, HKEY hkeyProgID )
2462 {
2463     IShellLinkImpl *This = impl_from_IShellExtInit(iface);
2464     FORMATETC format;
2465     STGMEDIUM stgm;
2466     UINT count;
2467     HRESULT r = E_FAIL;
2468
2469     TRACE("%p %p %p %p\n", This, pidlFolder, pdtobj, hkeyProgID );
2470
2471     if( !pdtobj )
2472         return r;
2473
2474     format.cfFormat = CF_HDROP;
2475     format.ptd = NULL;
2476     format.dwAspect = DVASPECT_CONTENT;
2477     format.lindex = -1;
2478     format.tymed = TYMED_HGLOBAL;
2479
2480     if( FAILED( IDataObject_GetData( pdtobj, &format, &stgm ) ) )
2481         return r;
2482
2483     count = DragQueryFileW( stgm.u.hGlobal, -1, NULL, 0 );
2484     if( count == 1 )
2485     {
2486         LPWSTR path;
2487
2488         count = DragQueryFileW( stgm.u.hGlobal, 0, NULL, 0 );
2489         count++;
2490         path = HeapAlloc( GetProcessHeap(), 0, count*sizeof(WCHAR) );
2491         if( path )
2492         {
2493             IPersistFile *pf = (IPersistFile*) &This->lpvtblPersistFile;
2494
2495             count = DragQueryFileW( stgm.u.hGlobal, 0, path, count );
2496             r = IPersistFile_Load( pf, path, 0 );
2497             HeapFree( GetProcessHeap(), 0, path );
2498         }
2499     }
2500     ReleaseStgMedium( &stgm );
2501
2502     return r;
2503 }
2504
2505 static const IShellExtInitVtbl eivt =
2506 {
2507     ShellLink_ExtInit_QueryInterface,
2508     ShellLink_ExtInit_AddRef,
2509     ShellLink_ExtInit_Release,
2510     ShellLink_ExtInit_Initialize
2511 };
2512
2513 static HRESULT WINAPI
2514 ShellLink_ContextMenu_QueryInterface( IContextMenu* iface, REFIID riid, void** ppvObject )
2515 {
2516     IShellLinkImpl *This = impl_from_IContextMenu(iface);
2517     return IShellLinkA_QueryInterface((IShellLinkA*)This, riid, ppvObject);
2518 }
2519
2520 static ULONG WINAPI
2521 ShellLink_ContextMenu_AddRef( IContextMenu* iface )
2522 {
2523     IShellLinkImpl *This = impl_from_IContextMenu(iface);
2524     return IShellLinkA_AddRef((IShellLinkA*)This);
2525 }
2526
2527 static ULONG WINAPI
2528 ShellLink_ContextMenu_Release( IContextMenu* iface )
2529 {
2530     IShellLinkImpl *This = impl_from_IContextMenu(iface);
2531     return ShellLink_Release( This );
2532 }
2533
2534 static HRESULT WINAPI
2535 ShellLink_QueryContextMenu( IContextMenu* iface, HMENU hmenu, UINT indexMenu,
2536                             UINT idCmdFirst, UINT idCmdLast, UINT uFlags )
2537 {
2538     IShellLinkImpl *This = impl_from_IContextMenu(iface);
2539     static WCHAR szOpen[] = { 'O','p','e','n',0 };
2540     MENUITEMINFOW mii;
2541     int id = 1;
2542
2543     TRACE("%p %p %u %u %u %u\n", This,
2544           hmenu, indexMenu, idCmdFirst, idCmdLast, uFlags );
2545
2546     if ( !hmenu )
2547         return E_INVALIDARG;
2548
2549     memset( &mii, 0, sizeof mii );
2550     mii.cbSize = sizeof mii;
2551     mii.fMask = MIIM_TYPE | MIIM_ID | MIIM_STATE;
2552     mii.dwTypeData = szOpen;
2553     mii.cch = strlenW( mii.dwTypeData );
2554     mii.wID = idCmdFirst + id++;
2555     mii.fState = MFS_DEFAULT | MFS_ENABLED;
2556     mii.fType = MFT_STRING;
2557     if (!InsertMenuItemW( hmenu, indexMenu, TRUE, &mii ))
2558         return E_FAIL;
2559     This->iIdOpen = 0;
2560
2561     return MAKE_HRESULT( SEVERITY_SUCCESS, 0, id );
2562 }
2563
2564 static LPWSTR
2565 shelllink_get_msi_component_path( LPWSTR component )
2566 {
2567     LPWSTR path;
2568     DWORD r, sz = 0;
2569
2570     r = CommandLineFromMsiDescriptor( component, NULL, &sz );
2571     if (r != ERROR_SUCCESS)
2572          return NULL;
2573
2574     sz++;
2575     path = HeapAlloc( GetProcessHeap(), 0, sz*sizeof(WCHAR) );
2576     r = CommandLineFromMsiDescriptor( component, path, &sz );
2577     if (r != ERROR_SUCCESS)
2578     {
2579         HeapFree( GetProcessHeap(), 0, path );
2580         path = NULL;
2581     }
2582
2583     TRACE("returning %s\n", debugstr_w( path ) );
2584
2585     return path;
2586 }
2587
2588 static HRESULT WINAPI
2589 ShellLink_InvokeCommand( IContextMenu* iface, LPCMINVOKECOMMANDINFO lpici )
2590 {
2591     IShellLinkImpl *This = impl_from_IContextMenu(iface);
2592     static const WCHAR szOpen[] = { 'O','p','e','n',0 };
2593     SHELLEXECUTEINFOW sei;
2594     HWND hwnd = NULL; /* FIXME: get using interface set from IObjectWithSite */
2595     LPWSTR args = NULL;
2596     LPWSTR path = NULL;
2597     HRESULT r;
2598
2599     TRACE("%p %p\n", This, lpici );
2600
2601     if ( lpici->cbSize < sizeof (CMINVOKECOMMANDINFO) )
2602         return E_INVALIDARG;
2603
2604     if ( lpici->lpVerb != MAKEINTRESOURCEA(This->iIdOpen) )
2605     {
2606         ERR("Unknown id %p != %d\n", lpici->lpVerb, This->iIdOpen );
2607         return E_INVALIDARG;
2608     }
2609
2610     r = IShellLinkW_Resolve( (IShellLinkW*)&(This->lpvtblw), hwnd, 0 );
2611     if ( FAILED( r ) )
2612         return r;
2613
2614     if ( This->sComponent )
2615     {
2616         path = shelllink_get_msi_component_path( This->sComponent );
2617         if (!path)
2618             return E_FAIL;
2619     }
2620     else
2621         path = strdupW( This->sPath );
2622
2623     if ( lpici->cbSize == sizeof (CMINVOKECOMMANDINFOEX) &&
2624          ( lpici->fMask & CMIC_MASK_UNICODE ) )
2625     {
2626         LPCMINVOKECOMMANDINFOEX iciex = (LPCMINVOKECOMMANDINFOEX) lpici;
2627         DWORD len = 2;
2628
2629         if ( This->sArgs )
2630             len += lstrlenW( This->sArgs );
2631         if ( iciex->lpParametersW )
2632             len += lstrlenW( iciex->lpParametersW );
2633
2634         args = HeapAlloc( GetProcessHeap(), 0, len*sizeof(WCHAR) );
2635         args[0] = 0;
2636         if ( This->sArgs )
2637             lstrcatW( args, This->sArgs );
2638         if ( iciex->lpParametersW )
2639         {
2640             static const WCHAR space[] = { ' ', 0 };
2641             lstrcatW( args, space );
2642             lstrcatW( args, iciex->lpParametersW );
2643         }
2644     }
2645
2646     memset( &sei, 0, sizeof sei );
2647     sei.cbSize = sizeof sei;
2648     sei.fMask = SEE_MASK_UNICODE | (lpici->fMask & (SEE_MASK_NOASYNC|SEE_MASK_ASYNCOK|SEE_MASK_FLAG_NO_UI));
2649     sei.lpFile = path;
2650     sei.nShow = This->iShowCmd;
2651     sei.lpIDList = This->pPidl;
2652     sei.lpDirectory = This->sWorkDir;
2653     sei.lpParameters = args;
2654     sei.lpVerb = szOpen;
2655
2656     if( ShellExecuteExW( &sei ) )
2657         r = S_OK;
2658     else
2659         r = E_FAIL;
2660
2661     HeapFree( GetProcessHeap(), 0, args );
2662     HeapFree( GetProcessHeap(), 0, path );
2663
2664     return r;
2665 }
2666
2667 static HRESULT WINAPI
2668 ShellLink_GetCommandString( IContextMenu* iface, UINT_PTR idCmd, UINT uType,
2669                             UINT* pwReserved, LPSTR pszName, UINT cchMax )
2670 {
2671     IShellLinkImpl *This = impl_from_IContextMenu(iface);
2672
2673     FIXME("(%p)->(%lu %u %p %p %u): stub\n", This,
2674           idCmd, uType, pwReserved, pszName, cchMax );
2675
2676     return E_NOTIMPL;
2677 }
2678
2679 static const IContextMenuVtbl cmvt =
2680 {
2681     ShellLink_ContextMenu_QueryInterface,
2682     ShellLink_ContextMenu_AddRef,
2683     ShellLink_ContextMenu_Release,
2684     ShellLink_QueryContextMenu,
2685     ShellLink_InvokeCommand,
2686     ShellLink_GetCommandString
2687 };
2688
2689 static HRESULT WINAPI
2690 ShellLink_ObjectWithSite_QueryInterface( IObjectWithSite* iface, REFIID riid, void** ppvObject )
2691 {
2692     IShellLinkImpl *This = impl_from_IObjectWithSite(iface);
2693     return ShellLink_QueryInterface( This, riid, ppvObject );
2694 }
2695
2696 static ULONG WINAPI
2697 ShellLink_ObjectWithSite_AddRef( IObjectWithSite* iface )
2698 {
2699     IShellLinkImpl *This = impl_from_IObjectWithSite(iface);
2700     return ShellLink_AddRef( This );
2701 }
2702
2703 static ULONG WINAPI
2704 ShellLink_ObjectWithSite_Release( IObjectWithSite* iface )
2705 {
2706     IShellLinkImpl *This = impl_from_IObjectWithSite(iface);
2707     return ShellLink_Release( This );
2708 }
2709
2710 static HRESULT WINAPI
2711 ShellLink_GetSite( IObjectWithSite *iface, REFIID iid, void ** ppvSite )
2712 {
2713     IShellLinkImpl *This = impl_from_IObjectWithSite(iface);
2714
2715     TRACE("%p %s %p\n", This, debugstr_guid( iid ), ppvSite );
2716
2717     if ( !This->site )
2718         return E_FAIL;
2719     return IUnknown_QueryInterface( This->site, iid, ppvSite );
2720 }
2721
2722 static HRESULT WINAPI
2723 ShellLink_SetSite( IObjectWithSite *iface, IUnknown *punk )
2724 {
2725     IShellLinkImpl *This = impl_from_IObjectWithSite(iface);
2726
2727     TRACE("%p %p\n", iface, punk);
2728
2729     if ( punk )
2730         IUnknown_AddRef( punk );
2731     This->site = punk;
2732
2733     return S_OK;
2734 }
2735
2736 static const IObjectWithSiteVtbl owsvt =
2737 {
2738     ShellLink_ObjectWithSite_QueryInterface,
2739     ShellLink_ObjectWithSite_AddRef,
2740     ShellLink_ObjectWithSite_Release,
2741     ShellLink_SetSite,
2742     ShellLink_GetSite,
2743 };