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     if (pszName)
1473     {
1474         This->sDescription = HEAP_strdupAtoW( GetProcessHeap(), 0, pszName);
1475         if ( !This->sDescription )
1476             return E_OUTOFMEMORY;
1477     }
1478     else
1479         This->sDescription = NULL;
1480
1481     This->bDirty = TRUE;
1482
1483     return S_OK;
1484 }
1485
1486 static HRESULT WINAPI IShellLinkA_fnGetWorkingDirectory(IShellLinkA * iface, LPSTR pszDir,INT cchMaxPath)
1487 {
1488     IShellLinkImpl *This = (IShellLinkImpl *)iface;
1489
1490     TRACE("(%p)->(%p len=%u)\n", This, pszDir, cchMaxPath);
1491
1492     if( cchMaxPath )
1493         pszDir[0] = 0;
1494     if( This->sWorkDir )
1495         WideCharToMultiByte( CP_ACP, 0, This->sWorkDir, -1,
1496                              pszDir, cchMaxPath, NULL, NULL);
1497
1498     return S_OK;
1499 }
1500
1501 static HRESULT WINAPI IShellLinkA_fnSetWorkingDirectory(IShellLinkA * iface, LPCSTR pszDir)
1502 {
1503     IShellLinkImpl *This = (IShellLinkImpl *)iface;
1504
1505     TRACE("(%p)->(dir=%s)\n",This, pszDir);
1506
1507     HeapFree(GetProcessHeap(), 0, This->sWorkDir);
1508     This->sWorkDir = HEAP_strdupAtoW( GetProcessHeap(), 0, pszDir);
1509     if ( !This->sWorkDir )
1510         return E_OUTOFMEMORY;
1511
1512     This->bDirty = TRUE;
1513
1514     return S_OK;
1515 }
1516
1517 static HRESULT WINAPI IShellLinkA_fnGetArguments(IShellLinkA * iface, LPSTR pszArgs,INT cchMaxPath)
1518 {
1519     IShellLinkImpl *This = (IShellLinkImpl *)iface;
1520
1521     TRACE("(%p)->(%p len=%u)\n", This, pszArgs, cchMaxPath);
1522
1523     if( cchMaxPath )
1524         pszArgs[0] = 0;
1525     if( This->sArgs )
1526         WideCharToMultiByte( CP_ACP, 0, This->sArgs, -1,
1527                              pszArgs, cchMaxPath, NULL, NULL);
1528
1529     return S_OK;
1530 }
1531
1532 static HRESULT WINAPI IShellLinkA_fnSetArguments(IShellLinkA * iface, LPCSTR pszArgs)
1533 {
1534     IShellLinkImpl *This = (IShellLinkImpl *)iface;
1535
1536     TRACE("(%p)->(args=%s)\n",This, pszArgs);
1537
1538     HeapFree(GetProcessHeap(), 0, This->sArgs);
1539     if (pszArgs)
1540     {
1541         This->sArgs = HEAP_strdupAtoW( GetProcessHeap(), 0, pszArgs);
1542         if( !This->sArgs )
1543             return E_OUTOFMEMORY;
1544     }
1545     else This->sArgs = NULL;
1546
1547     This->bDirty = TRUE;
1548
1549     return S_OK;
1550 }
1551
1552 static HRESULT WINAPI IShellLinkA_fnGetHotkey(IShellLinkA * iface, WORD *pwHotkey)
1553 {
1554     IShellLinkImpl *This = (IShellLinkImpl *)iface;
1555
1556     TRACE("(%p)->(%p)(0x%08x)\n",This, pwHotkey, This->wHotKey);
1557
1558     *pwHotkey = This->wHotKey;
1559
1560     return S_OK;
1561 }
1562
1563 static HRESULT WINAPI IShellLinkA_fnSetHotkey(IShellLinkA * iface, WORD wHotkey)
1564 {
1565     IShellLinkImpl *This = (IShellLinkImpl *)iface;
1566
1567     TRACE("(%p)->(hotkey=%x)\n",This, wHotkey);
1568
1569     This->wHotKey = wHotkey;
1570     This->bDirty = TRUE;
1571
1572     return S_OK;
1573 }
1574
1575 static HRESULT WINAPI IShellLinkA_fnGetShowCmd(IShellLinkA * iface, INT *piShowCmd)
1576 {
1577     IShellLinkImpl *This = (IShellLinkImpl *)iface;
1578
1579     TRACE("(%p)->(%p)\n",This, piShowCmd);
1580     *piShowCmd = This->iShowCmd;
1581     return S_OK;
1582 }
1583
1584 static HRESULT WINAPI IShellLinkA_fnSetShowCmd(IShellLinkA * iface, INT iShowCmd)
1585 {
1586     IShellLinkImpl *This = (IShellLinkImpl *)iface;
1587
1588     TRACE("(%p) %d\n",This, iShowCmd);
1589
1590     This->iShowCmd = iShowCmd;
1591     This->bDirty = TRUE;
1592
1593     return NOERROR;
1594 }
1595
1596 static HRESULT WINAPI IShellLinkA_fnGetIconLocation(IShellLinkA * iface, LPSTR pszIconPath,INT cchIconPath,INT *piIcon)
1597 {
1598     IShellLinkImpl *This = (IShellLinkImpl *)iface;
1599
1600     TRACE("(%p)->(%p len=%u iicon=%p)\n", This, pszIconPath, cchIconPath, piIcon);
1601
1602     *piIcon = This->iIcoNdx;
1603
1604     if (This->sIcoPath)
1605         WideCharToMultiByte(CP_ACP, 0, This->sIcoPath, -1, pszIconPath, cchIconPath, NULL, NULL);
1606     else
1607         pszIconPath[0] = 0;
1608
1609     return S_OK;
1610 }
1611
1612 static HRESULT WINAPI IShellLinkA_fnSetIconLocation(IShellLinkA * iface, LPCSTR pszIconPath,INT iIcon)
1613 {
1614     IShellLinkImpl *This = (IShellLinkImpl *)iface;
1615
1616     TRACE("(%p)->(path=%s iicon=%u)\n",This, pszIconPath, iIcon);
1617
1618     HeapFree(GetProcessHeap(), 0, This->sIcoPath);
1619     This->sIcoPath = HEAP_strdupAtoW(GetProcessHeap(), 0, pszIconPath);
1620     if ( !This->sIcoPath )
1621         return E_OUTOFMEMORY;
1622
1623     This->iIcoNdx = iIcon;
1624     This->bDirty = TRUE;
1625
1626     return S_OK;
1627 }
1628
1629 static HRESULT WINAPI IShellLinkA_fnSetRelativePath(IShellLinkA * iface, LPCSTR pszPathRel, DWORD dwReserved)
1630 {
1631     IShellLinkImpl *This = (IShellLinkImpl *)iface;
1632
1633     TRACE("(%p)->(path=%s %x)\n",This, pszPathRel, dwReserved);
1634
1635     HeapFree(GetProcessHeap(), 0, This->sPathRel);
1636     This->sPathRel = HEAP_strdupAtoW(GetProcessHeap(), 0, pszPathRel);
1637     This->bDirty = TRUE;
1638
1639     return ShellLink_UpdatePath(This->sPathRel, This->sPath, This->sWorkDir, &This->sPath);
1640 }
1641
1642 static HRESULT WINAPI IShellLinkA_fnResolve(IShellLinkA * iface, HWND hwnd, DWORD fFlags)
1643 {
1644     IShellLinkImpl *This = (IShellLinkImpl *)iface;
1645
1646     TRACE("(%p)->(hwnd=%p flags=%x)\n",This, hwnd, fFlags);
1647
1648     return IShellLinkW_Resolve( (IShellLinkW*)&(This->lpvtblw), hwnd, fFlags );
1649 }
1650
1651 static HRESULT WINAPI IShellLinkA_fnSetPath(IShellLinkA * iface, LPCSTR pszFile)
1652 {
1653     HRESULT r;
1654     LPWSTR str;
1655     IShellLinkImpl *This = (IShellLinkImpl *)iface;
1656
1657     TRACE("(%p)->(path=%s)\n",This, pszFile);
1658
1659     if (!pszFile) return E_INVALIDARG;
1660
1661     str = HEAP_strdupAtoW(GetProcessHeap(), 0, pszFile);
1662     if( !str )
1663         return E_OUTOFMEMORY;
1664
1665     r = IShellLinkW_SetPath((IShellLinkW*)&(This->lpvtblw), str);
1666     HeapFree( GetProcessHeap(), 0, str );
1667
1668     return r;
1669 }
1670
1671 /**************************************************************************
1672 * IShellLink Implementation
1673 */
1674
1675 static const IShellLinkAVtbl slvt =
1676 {
1677     IShellLinkA_fnQueryInterface,
1678     IShellLinkA_fnAddRef,
1679     IShellLinkA_fnRelease,
1680     IShellLinkA_fnGetPath,
1681     IShellLinkA_fnGetIDList,
1682     IShellLinkA_fnSetIDList,
1683     IShellLinkA_fnGetDescription,
1684     IShellLinkA_fnSetDescription,
1685     IShellLinkA_fnGetWorkingDirectory,
1686     IShellLinkA_fnSetWorkingDirectory,
1687     IShellLinkA_fnGetArguments,
1688     IShellLinkA_fnSetArguments,
1689     IShellLinkA_fnGetHotkey,
1690     IShellLinkA_fnSetHotkey,
1691     IShellLinkA_fnGetShowCmd,
1692     IShellLinkA_fnSetShowCmd,
1693     IShellLinkA_fnGetIconLocation,
1694     IShellLinkA_fnSetIconLocation,
1695     IShellLinkA_fnSetRelativePath,
1696     IShellLinkA_fnResolve,
1697     IShellLinkA_fnSetPath
1698 };
1699
1700
1701 /**************************************************************************
1702  *  IShellLinkW_fnQueryInterface
1703  */
1704 static HRESULT WINAPI IShellLinkW_fnQueryInterface(
1705   IShellLinkW * iface, REFIID riid, LPVOID *ppvObj)
1706 {
1707     IShellLinkImpl *This = impl_from_IShellLinkW(iface);
1708     return ShellLink_QueryInterface( This, riid, ppvObj );
1709 }
1710
1711 /******************************************************************************
1712  * IShellLinkW_fnAddRef
1713  */
1714 static ULONG WINAPI IShellLinkW_fnAddRef(IShellLinkW * iface)
1715 {
1716     IShellLinkImpl *This = impl_from_IShellLinkW(iface);
1717     return ShellLink_AddRef( This );
1718 }
1719
1720 /******************************************************************************
1721  * IShellLinkW_fnRelease
1722  */
1723 static ULONG WINAPI IShellLinkW_fnRelease(IShellLinkW * iface)
1724 {
1725     IShellLinkImpl *This = impl_from_IShellLinkW(iface);
1726     return ShellLink_Release( This );
1727 }
1728
1729 static HRESULT WINAPI IShellLinkW_fnGetPath(IShellLinkW * iface, LPWSTR pszFile,INT cchMaxPath, WIN32_FIND_DATAW *pfd, DWORD fFlags)
1730 {
1731     IShellLinkImpl *This = impl_from_IShellLinkW(iface);
1732
1733     TRACE("(%p)->(pfile=%p len=%u find_data=%p flags=%u)(%s)\n",
1734           This, pszFile, cchMaxPath, pfd, fFlags, debugstr_w(This->sPath));
1735
1736     if (This->sComponent || This->sProduct)
1737         return S_FALSE;
1738
1739     if (cchMaxPath)
1740         pszFile[0] = 0;
1741     if (This->sPath)
1742         lstrcpynW( pszFile, This->sPath, cchMaxPath );
1743
1744     if (pfd) FIXME("(%p): WIN32_FIND_DATA is not yet filled.\n", This);
1745
1746     return S_OK;
1747 }
1748
1749 static HRESULT WINAPI IShellLinkW_fnGetIDList(IShellLinkW * iface, LPITEMIDLIST * ppidl)
1750 {
1751     IShellLinkImpl *This = impl_from_IShellLinkW(iface);
1752
1753     TRACE("(%p)->(ppidl=%p)\n",This, ppidl);
1754
1755     if (!This->pPidl)
1756     {
1757         *ppidl = NULL;
1758         return S_FALSE;
1759     }
1760     *ppidl = ILClone(This->pPidl);
1761     return S_OK;
1762 }
1763
1764 static HRESULT WINAPI IShellLinkW_fnSetIDList(IShellLinkW * iface, LPCITEMIDLIST pidl)
1765 {
1766     IShellLinkImpl *This = impl_from_IShellLinkW(iface);
1767
1768     TRACE("(%p)->(pidl=%p)\n",This, pidl);
1769
1770     if( This->pPidl )
1771         ILFree( This->pPidl );
1772     This->pPidl = ILClone( pidl );
1773     if( !This->pPidl )
1774         return E_FAIL;
1775
1776     This->bDirty = TRUE;
1777
1778     return S_OK;
1779 }
1780
1781 static HRESULT WINAPI IShellLinkW_fnGetDescription(IShellLinkW * iface, LPWSTR pszName,INT cchMaxName)
1782 {
1783     IShellLinkImpl *This = impl_from_IShellLinkW(iface);
1784
1785     TRACE("(%p)->(%p len=%u)\n",This, pszName, cchMaxName);
1786
1787     pszName[0] = 0;
1788     if( This->sDescription )
1789         lstrcpynW( pszName, This->sDescription, cchMaxName );
1790
1791     return S_OK;
1792 }
1793
1794 static HRESULT WINAPI IShellLinkW_fnSetDescription(IShellLinkW * iface, LPCWSTR pszName)
1795 {
1796     IShellLinkImpl *This = impl_from_IShellLinkW(iface);
1797
1798     TRACE("(%p)->(desc=%s)\n",This, debugstr_w(pszName));
1799
1800     HeapFree(GetProcessHeap(), 0, This->sDescription);
1801     if (pszName)
1802     {
1803         This->sDescription = HeapAlloc( GetProcessHeap(), 0,
1804                                         (lstrlenW( pszName )+1)*sizeof(WCHAR) );
1805         if ( !This->sDescription )
1806             return E_OUTOFMEMORY;
1807
1808         lstrcpyW( This->sDescription, pszName );
1809     }
1810     else
1811         This->sDescription = NULL;
1812     This->bDirty = TRUE;
1813
1814     return S_OK;
1815 }
1816
1817 static HRESULT WINAPI IShellLinkW_fnGetWorkingDirectory(IShellLinkW * iface, LPWSTR pszDir,INT cchMaxPath)
1818 {
1819     IShellLinkImpl *This = impl_from_IShellLinkW(iface);
1820
1821     TRACE("(%p)->(%p len %u)\n", This, pszDir, cchMaxPath);
1822
1823     if( cchMaxPath )
1824         pszDir[0] = 0;
1825     if( This->sWorkDir )
1826         lstrcpynW( pszDir, This->sWorkDir, cchMaxPath );
1827
1828     return S_OK;
1829 }
1830
1831 static HRESULT WINAPI IShellLinkW_fnSetWorkingDirectory(IShellLinkW * iface, LPCWSTR pszDir)
1832 {
1833     IShellLinkImpl *This = impl_from_IShellLinkW(iface);
1834
1835     TRACE("(%p)->(dir=%s)\n",This, debugstr_w(pszDir));
1836
1837     HeapFree(GetProcessHeap(), 0, This->sWorkDir);
1838     This->sWorkDir = HeapAlloc( GetProcessHeap(), 0,
1839                                 (lstrlenW( pszDir )+1)*sizeof (WCHAR) );
1840     if ( !This->sWorkDir )
1841         return E_OUTOFMEMORY;
1842     lstrcpyW( This->sWorkDir, pszDir );
1843     This->bDirty = TRUE;
1844
1845     return S_OK;
1846 }
1847
1848 static HRESULT WINAPI IShellLinkW_fnGetArguments(IShellLinkW * iface, LPWSTR pszArgs,INT cchMaxPath)
1849 {
1850     IShellLinkImpl *This = impl_from_IShellLinkW(iface);
1851
1852     TRACE("(%p)->(%p len=%u)\n", This, pszArgs, cchMaxPath);
1853
1854     if( cchMaxPath )
1855         pszArgs[0] = 0;
1856     if( This->sArgs )
1857         lstrcpynW( pszArgs, This->sArgs, cchMaxPath );
1858
1859     return NOERROR;
1860 }
1861
1862 static HRESULT WINAPI IShellLinkW_fnSetArguments(IShellLinkW * iface, LPCWSTR pszArgs)
1863 {
1864     IShellLinkImpl *This = impl_from_IShellLinkW(iface);
1865
1866     TRACE("(%p)->(args=%s)\n",This, debugstr_w(pszArgs));
1867
1868     HeapFree(GetProcessHeap(), 0, This->sArgs);
1869     if (pszArgs)
1870     {
1871         This->sArgs = HeapAlloc( GetProcessHeap(), 0,
1872                                  (lstrlenW( pszArgs )+1)*sizeof (WCHAR) );
1873         if ( !This->sArgs )
1874             return E_OUTOFMEMORY;
1875         lstrcpyW( This->sArgs, pszArgs );
1876     }
1877     else This->sArgs = NULL;
1878
1879     This->bDirty = TRUE;
1880
1881     return S_OK;
1882 }
1883
1884 static HRESULT WINAPI IShellLinkW_fnGetHotkey(IShellLinkW * iface, WORD *pwHotkey)
1885 {
1886     IShellLinkImpl *This = impl_from_IShellLinkW(iface);
1887
1888     TRACE("(%p)->(%p)\n",This, pwHotkey);
1889
1890     *pwHotkey=This->wHotKey;
1891
1892     return S_OK;
1893 }
1894
1895 static HRESULT WINAPI IShellLinkW_fnSetHotkey(IShellLinkW * iface, WORD wHotkey)
1896 {
1897     IShellLinkImpl *This = impl_from_IShellLinkW(iface);
1898
1899     TRACE("(%p)->(hotkey=%x)\n",This, wHotkey);
1900
1901     This->wHotKey = wHotkey;
1902     This->bDirty = TRUE;
1903
1904     return S_OK;
1905 }
1906
1907 static HRESULT WINAPI IShellLinkW_fnGetShowCmd(IShellLinkW * iface, INT *piShowCmd)
1908 {
1909     IShellLinkImpl *This = impl_from_IShellLinkW(iface);
1910
1911     TRACE("(%p)->(%p)\n",This, piShowCmd);
1912
1913     *piShowCmd = This->iShowCmd;
1914
1915     return S_OK;
1916 }
1917
1918 static HRESULT WINAPI IShellLinkW_fnSetShowCmd(IShellLinkW * iface, INT iShowCmd)
1919 {
1920     IShellLinkImpl *This = impl_from_IShellLinkW(iface);
1921
1922     This->iShowCmd = iShowCmd;
1923     This->bDirty = TRUE;
1924
1925     return S_OK;
1926 }
1927
1928 static HRESULT WINAPI IShellLinkW_fnGetIconLocation(IShellLinkW * iface, LPWSTR pszIconPath,INT cchIconPath,INT *piIcon)
1929 {
1930     IShellLinkImpl *This = impl_from_IShellLinkW(iface);
1931
1932     TRACE("(%p)->(%p len=%u iicon=%p)\n", This, pszIconPath, cchIconPath, piIcon);
1933
1934     *piIcon = This->iIcoNdx;
1935
1936     if (This->sIcoPath)
1937         lstrcpynW(pszIconPath, This->sIcoPath, cchIconPath);
1938     else
1939         pszIconPath[0] = 0;
1940
1941     return S_OK;
1942 }
1943
1944 static HRESULT WINAPI IShellLinkW_fnSetIconLocation(IShellLinkW * iface, LPCWSTR pszIconPath,INT iIcon)
1945 {
1946     IShellLinkImpl *This = impl_from_IShellLinkW(iface);
1947
1948     TRACE("(%p)->(path=%s iicon=%u)\n",This, debugstr_w(pszIconPath), iIcon);
1949
1950     HeapFree(GetProcessHeap(), 0, This->sIcoPath);
1951     This->sIcoPath = HeapAlloc( GetProcessHeap(), 0,
1952                                 (lstrlenW( pszIconPath )+1)*sizeof (WCHAR) );
1953     if ( !This->sIcoPath )
1954         return E_OUTOFMEMORY;
1955     lstrcpyW( This->sIcoPath, pszIconPath );
1956
1957     This->iIcoNdx = iIcon;
1958     This->bDirty = TRUE;
1959
1960     return S_OK;
1961 }
1962
1963 static HRESULT WINAPI IShellLinkW_fnSetRelativePath(IShellLinkW * iface, LPCWSTR pszPathRel, DWORD dwReserved)
1964 {
1965     IShellLinkImpl *This = impl_from_IShellLinkW(iface);
1966
1967     TRACE("(%p)->(path=%s %x)\n",This, debugstr_w(pszPathRel), dwReserved);
1968
1969     HeapFree(GetProcessHeap(), 0, This->sPathRel);
1970     This->sPathRel = HeapAlloc( GetProcessHeap(), 0,
1971                                 (lstrlenW( pszPathRel )+1) * sizeof (WCHAR) );
1972     if ( !This->sPathRel )
1973         return E_OUTOFMEMORY;
1974     lstrcpyW( This->sPathRel, pszPathRel );
1975     This->bDirty = TRUE;
1976
1977     return ShellLink_UpdatePath(This->sPathRel, This->sPath, This->sWorkDir, &This->sPath);
1978 }
1979
1980 static HRESULT WINAPI IShellLinkW_fnResolve(IShellLinkW * iface, HWND hwnd, DWORD fFlags)
1981 {
1982     HRESULT hr = S_OK;
1983     BOOL bSuccess;
1984
1985     IShellLinkImpl *This = impl_from_IShellLinkW(iface);
1986
1987     TRACE("(%p)->(hwnd=%p flags=%x)\n",This, hwnd, fFlags);
1988
1989     /*FIXME: use IResolveShellLink interface */
1990
1991     if (!This->sPath && This->pPidl) {
1992         WCHAR buffer[MAX_PATH];
1993
1994         bSuccess = SHGetPathFromIDListW(This->pPidl, buffer);
1995
1996         if (bSuccess && *buffer) {
1997             This->sPath = HeapAlloc(GetProcessHeap(), 0, (lstrlenW(buffer)+1)*sizeof(WCHAR));
1998             if (!This->sPath)
1999                 return E_OUTOFMEMORY;
2000
2001             lstrcpyW(This->sPath, buffer);
2002
2003             This->bDirty = TRUE;
2004         } else
2005             hr = S_OK;    /* don't report an error occurred while just caching information */
2006     }
2007
2008     if (!This->sIcoPath && This->sPath) {
2009         This->sIcoPath = HeapAlloc(GetProcessHeap(), 0, (lstrlenW(This->sPath)+1)*sizeof(WCHAR));
2010         if (!This->sIcoPath)
2011             return E_OUTOFMEMORY;
2012
2013         lstrcpyW(This->sIcoPath, This->sPath);
2014         This->iIcoNdx = 0;
2015
2016         This->bDirty = TRUE;
2017     }
2018
2019     return hr;
2020 }
2021
2022 static LPWSTR ShellLink_GetAdvertisedArg(LPCWSTR str)
2023 {
2024     LPWSTR ret;
2025     LPCWSTR p;
2026     DWORD len;
2027
2028     if( !str )
2029         return NULL;
2030
2031     p = strchrW( str, ':' );
2032     if( !p )
2033         return NULL;
2034     len = p - str;
2035     ret = HeapAlloc( GetProcessHeap(), 0, sizeof(WCHAR)*(len+1));
2036     if( !ret )
2037         return ret;
2038     memcpy( ret, str, sizeof(WCHAR)*len );
2039     ret[len] = 0;
2040     return ret;
2041 }
2042
2043 static HRESULT ShellLink_SetAdvertiseInfo(IShellLinkImpl *This, LPCWSTR str)
2044 {
2045     LPCWSTR szComponent = NULL, szProduct = NULL, p;
2046     WCHAR szGuid[39];
2047     HRESULT r;
2048     GUID guid;
2049     int len;
2050
2051     while( str[0] )
2052     {
2053         /* each segment must start with two colons */
2054         if( str[0] != ':' || str[1] != ':' )
2055             return E_FAIL;
2056
2057         /* the last segment is just two colons */
2058         if( !str[2] )
2059             break;
2060         str += 2;
2061
2062         /* there must be a colon straight after a guid */
2063         p = strchrW( str, ':' );
2064         if( !p )
2065             return E_FAIL;
2066         len = p - str;
2067         if( len != 38 )
2068             return E_FAIL;
2069
2070         /* get the guid, and check it's validly formatted */
2071         memcpy( szGuid, str, sizeof(WCHAR)*len );
2072         szGuid[len] = 0;
2073         r = CLSIDFromString( szGuid, &guid );
2074         if( r != S_OK )
2075             return r;
2076         str = p + 1;
2077
2078         /* match it up to a guid that we care about */
2079         if( IsEqualGUID( &guid, &SHELL32_AdvtShortcutComponent ) && !szComponent )
2080             szComponent = str;
2081         else if( IsEqualGUID( &guid, &SHELL32_AdvtShortcutProduct ) && !szProduct )
2082             szProduct = str;
2083         else
2084             return E_FAIL;
2085
2086         /* skip to the next field */
2087         str = strchrW( str, ':' );
2088         if( !str )
2089             return E_FAIL;
2090     }
2091
2092     /* we have to have a component for an advertised shortcut */
2093     if( !szComponent )
2094         return E_FAIL;
2095
2096     This->sComponent = ShellLink_GetAdvertisedArg( szComponent );
2097     This->sProduct = ShellLink_GetAdvertisedArg( szProduct );
2098
2099     TRACE("Component = %s\n", debugstr_w(This->sComponent));
2100     TRACE("Product = %s\n", debugstr_w(This->sProduct));
2101
2102     return S_OK;
2103 }
2104
2105 static BOOL ShellLink_GetVolumeInfo(LPCWSTR path, volume_info *volume)
2106 {
2107     const int label_sz = sizeof volume->label/sizeof volume->label[0];
2108     WCHAR drive[4] = { path[0], ':', '\\', 0 };
2109     BOOL r;
2110
2111     volume->type = GetDriveTypeW(drive);
2112     r = GetVolumeInformationW(drive, volume->label, label_sz,
2113                               &volume->serial, NULL, NULL, NULL, 0);
2114     TRACE("r = %d type %d serial %08x name %s\n", r,
2115           volume->type, volume->serial, debugstr_w(volume->label));
2116     return r;
2117 }
2118
2119 static HRESULT WINAPI IShellLinkW_fnSetPath(IShellLinkW * iface, LPCWSTR pszFile)
2120 {
2121     IShellLinkImpl *This = impl_from_IShellLinkW(iface);
2122     WCHAR buffer[MAX_PATH];
2123     LPWSTR fname, unquoted = NULL;
2124     HRESULT hr = S_OK;
2125     UINT len;
2126
2127     TRACE("(%p)->(path=%s)\n",This, debugstr_w(pszFile));
2128
2129     if (!pszFile) return E_INVALIDARG;
2130
2131     /* quotes at the ends of the string are stripped */
2132     len = lstrlenW(pszFile);
2133     if (pszFile[0] == '"' && pszFile[len-1] == '"')
2134     {
2135         unquoted = strdupW(pszFile);
2136         PathUnquoteSpacesW(unquoted);
2137         pszFile = unquoted;
2138     }
2139
2140     /* any other quote marks are invalid */
2141     if (strchrW(pszFile, '"'))
2142     {
2143         HeapFree(GetProcessHeap(), 0, unquoted);
2144         return S_FALSE;
2145     }
2146
2147     HeapFree(GetProcessHeap(), 0, This->sPath);
2148     This->sPath = NULL;
2149
2150     HeapFree(GetProcessHeap(), 0, This->sComponent);
2151     This->sComponent = NULL;
2152
2153     if (This->pPidl)
2154         ILFree(This->pPidl);
2155     This->pPidl = NULL;
2156
2157     if (S_OK != ShellLink_SetAdvertiseInfo( This, pszFile ))
2158     {
2159         if (*pszFile == '\0')
2160             *buffer = '\0';
2161         else if (!GetFullPathNameW(pszFile, MAX_PATH, buffer, &fname))
2162             return E_FAIL;
2163         else if(!PathFileExistsW(buffer) &&
2164                 !SearchPathW(NULL, pszFile, NULL, MAX_PATH, buffer, NULL))
2165           hr = S_FALSE;
2166
2167         This->pPidl = SHSimpleIDListFromPathW(pszFile);
2168         ShellLink_GetVolumeInfo(buffer, &This->volume);
2169
2170         This->sPath = HeapAlloc( GetProcessHeap(), 0,
2171                              (lstrlenW( buffer )+1) * sizeof (WCHAR) );
2172         if (!This->sPath)
2173         {
2174             HeapFree(GetProcessHeap(), 0, unquoted);
2175             return E_OUTOFMEMORY;
2176         }
2177
2178         lstrcpyW(This->sPath, buffer);
2179     }
2180     This->bDirty = TRUE;
2181     HeapFree(GetProcessHeap(), 0, unquoted);
2182
2183     return hr;
2184 }
2185
2186 /**************************************************************************
2187 * IShellLinkW Implementation
2188 */
2189
2190 static const IShellLinkWVtbl slvtw =
2191 {
2192     IShellLinkW_fnQueryInterface,
2193     IShellLinkW_fnAddRef,
2194     IShellLinkW_fnRelease,
2195     IShellLinkW_fnGetPath,
2196     IShellLinkW_fnGetIDList,
2197     IShellLinkW_fnSetIDList,
2198     IShellLinkW_fnGetDescription,
2199     IShellLinkW_fnSetDescription,
2200     IShellLinkW_fnGetWorkingDirectory,
2201     IShellLinkW_fnSetWorkingDirectory,
2202     IShellLinkW_fnGetArguments,
2203     IShellLinkW_fnSetArguments,
2204     IShellLinkW_fnGetHotkey,
2205     IShellLinkW_fnSetHotkey,
2206     IShellLinkW_fnGetShowCmd,
2207     IShellLinkW_fnSetShowCmd,
2208     IShellLinkW_fnGetIconLocation,
2209     IShellLinkW_fnSetIconLocation,
2210     IShellLinkW_fnSetRelativePath,
2211     IShellLinkW_fnResolve,
2212     IShellLinkW_fnSetPath
2213 };
2214
2215 static HRESULT WINAPI
2216 ShellLink_DataList_QueryInterface( IShellLinkDataList* iface, REFIID riid, void** ppvObject)
2217 {
2218     IShellLinkImpl *This = impl_from_IShellLinkDataList(iface);
2219     return IShellLinkA_QueryInterface((IShellLinkA*)This, riid, ppvObject);
2220 }
2221
2222 static ULONG WINAPI
2223 ShellLink_DataList_AddRef( IShellLinkDataList* iface )
2224 {
2225     IShellLinkImpl *This = impl_from_IShellLinkDataList(iface);
2226     return IShellLinkA_AddRef((IShellLinkA*)This);
2227 }
2228
2229 static ULONG WINAPI
2230 ShellLink_DataList_Release( IShellLinkDataList* iface )
2231 {
2232     IShellLinkImpl *This = impl_from_IShellLinkDataList(iface);
2233     return ShellLink_Release( This );
2234 }
2235
2236 static HRESULT WINAPI
2237 ShellLink_AddDataBlock( IShellLinkDataList* iface, void* pDataBlock )
2238 {
2239     FIXME("(%p)->(%p): stub\n", iface, pDataBlock);
2240     return E_NOTIMPL;
2241 }
2242
2243 static HRESULT WINAPI
2244 ShellLink_CopyDataBlock( IShellLinkDataList* iface, DWORD dwSig, void** ppDataBlock )
2245 {
2246     IShellLinkImpl *This = impl_from_IShellLinkDataList(iface);
2247     LPVOID block = NULL;
2248     HRESULT r = E_FAIL;
2249
2250     TRACE("%p %08x %p\n", iface, dwSig, ppDataBlock );
2251
2252     switch (dwSig)
2253     {
2254     case EXP_DARWIN_ID_SIG:
2255         if (!This->sComponent)
2256             break;
2257         block = shelllink_build_darwinid( This->sComponent, dwSig );
2258         r = S_OK;
2259         break;
2260     case EXP_SZ_LINK_SIG:
2261     case NT_CONSOLE_PROPS_SIG:
2262     case NT_FE_CONSOLE_PROPS_SIG:
2263     case EXP_SPECIAL_FOLDER_SIG:
2264     case EXP_SZ_ICON_SIG:
2265         FIXME("valid but unhandled datablock %08x\n", dwSig);
2266         break;
2267     default:
2268         ERR("unknown datablock %08x\n", dwSig);
2269     }
2270     *ppDataBlock = block;
2271     return r;
2272 }
2273
2274 static HRESULT WINAPI
2275 ShellLink_RemoveDataBlock( IShellLinkDataList* iface, DWORD dwSig )
2276 {
2277     FIXME("(%p)->(%u): stub\n", iface, dwSig);
2278     return E_NOTIMPL;
2279 }
2280
2281 static HRESULT WINAPI
2282 ShellLink_GetFlags( IShellLinkDataList* iface, DWORD* pdwFlags )
2283 {
2284     IShellLinkImpl *This = impl_from_IShellLinkDataList(iface);
2285     DWORD flags = 0;
2286
2287     FIXME("(%p)->(%p): partially implemented\n", This, pdwFlags);
2288
2289     /* FIXME: add more */
2290     if (This->sArgs)
2291         flags |= SLDF_HAS_ARGS;
2292     if (This->sComponent)
2293         flags |= SLDF_HAS_DARWINID;
2294     if (This->sIcoPath)
2295         flags |= SLDF_HAS_ICONLOCATION;
2296     if (This->sProduct)
2297         flags |= SLDF_HAS_LOGO3ID;
2298     if (This->pPidl)
2299         flags |= SLDF_HAS_ID_LIST;
2300
2301     *pdwFlags = flags;
2302
2303     return S_OK;
2304 }
2305
2306 static HRESULT WINAPI
2307 ShellLink_SetFlags( IShellLinkDataList* iface, DWORD dwFlags )
2308 {
2309     FIXME("(%p)->(%u): stub\n", iface, dwFlags);
2310     return E_NOTIMPL;
2311 }
2312
2313 static const IShellLinkDataListVtbl dlvt =
2314 {
2315     ShellLink_DataList_QueryInterface,
2316     ShellLink_DataList_AddRef,
2317     ShellLink_DataList_Release,
2318     ShellLink_AddDataBlock,
2319     ShellLink_CopyDataBlock,
2320     ShellLink_RemoveDataBlock,
2321     ShellLink_GetFlags,
2322     ShellLink_SetFlags
2323 };
2324
2325 static HRESULT WINAPI
2326 ShellLink_ExtInit_QueryInterface( IShellExtInit* iface, REFIID riid, void** ppvObject )
2327 {
2328     IShellLinkImpl *This = impl_from_IShellExtInit(iface);
2329     return IShellLinkA_QueryInterface((IShellLinkA*)This, riid, ppvObject);
2330 }
2331
2332 static ULONG WINAPI
2333 ShellLink_ExtInit_AddRef( IShellExtInit* iface )
2334 {
2335     IShellLinkImpl *This = impl_from_IShellExtInit(iface);
2336     return IShellLinkA_AddRef((IShellLinkA*)This);
2337 }
2338
2339 static ULONG WINAPI
2340 ShellLink_ExtInit_Release( IShellExtInit* iface )
2341 {
2342     IShellLinkImpl *This = impl_from_IShellExtInit(iface);
2343     return ShellLink_Release( This );
2344 }
2345
2346 /**************************************************************************
2347  * ShellLink implementation of IShellExtInit::Initialize()
2348  *
2349  * Loads the shelllink from the dataobject the shell is pointing to.
2350  */
2351 static HRESULT WINAPI
2352 ShellLink_ExtInit_Initialize( IShellExtInit* iface, LPCITEMIDLIST pidlFolder,
2353                               IDataObject *pdtobj, HKEY hkeyProgID )
2354 {
2355     IShellLinkImpl *This = impl_from_IShellExtInit(iface);
2356     FORMATETC format;
2357     STGMEDIUM stgm;
2358     UINT count;
2359     HRESULT r = E_FAIL;
2360
2361     TRACE("%p %p %p %p\n", This, pidlFolder, pdtobj, hkeyProgID );
2362
2363     if( !pdtobj )
2364         return r;
2365
2366     format.cfFormat = CF_HDROP;
2367     format.ptd = NULL;
2368     format.dwAspect = DVASPECT_CONTENT;
2369     format.lindex = -1;
2370     format.tymed = TYMED_HGLOBAL;
2371
2372     if( FAILED( IDataObject_GetData( pdtobj, &format, &stgm ) ) )
2373         return r;
2374
2375     count = DragQueryFileW( stgm.u.hGlobal, -1, NULL, 0 );
2376     if( count == 1 )
2377     {
2378         LPWSTR path;
2379
2380         count = DragQueryFileW( stgm.u.hGlobal, 0, NULL, 0 );
2381         count++;
2382         path = HeapAlloc( GetProcessHeap(), 0, count*sizeof(WCHAR) );
2383         if( path )
2384         {
2385             IPersistFile *pf = (IPersistFile*) &This->lpvtblPersistFile;
2386
2387             count = DragQueryFileW( stgm.u.hGlobal, 0, path, count );
2388             r = IPersistFile_Load( pf, path, 0 );
2389             HeapFree( GetProcessHeap(), 0, path );
2390         }
2391     }
2392     ReleaseStgMedium( &stgm );
2393
2394     return r;
2395 }
2396
2397 static const IShellExtInitVtbl eivt =
2398 {
2399     ShellLink_ExtInit_QueryInterface,
2400     ShellLink_ExtInit_AddRef,
2401     ShellLink_ExtInit_Release,
2402     ShellLink_ExtInit_Initialize
2403 };
2404
2405 static HRESULT WINAPI
2406 ShellLink_ContextMenu_QueryInterface( IContextMenu* iface, REFIID riid, void** ppvObject )
2407 {
2408     IShellLinkImpl *This = impl_from_IContextMenu(iface);
2409     return IShellLinkA_QueryInterface((IShellLinkA*)This, riid, ppvObject);
2410 }
2411
2412 static ULONG WINAPI
2413 ShellLink_ContextMenu_AddRef( IContextMenu* iface )
2414 {
2415     IShellLinkImpl *This = impl_from_IContextMenu(iface);
2416     return IShellLinkA_AddRef((IShellLinkA*)This);
2417 }
2418
2419 static ULONG WINAPI
2420 ShellLink_ContextMenu_Release( IContextMenu* iface )
2421 {
2422     IShellLinkImpl *This = impl_from_IContextMenu(iface);
2423     return ShellLink_Release( This );
2424 }
2425
2426 static HRESULT WINAPI
2427 ShellLink_QueryContextMenu( IContextMenu* iface, HMENU hmenu, UINT indexMenu,
2428                             UINT idCmdFirst, UINT idCmdLast, UINT uFlags )
2429 {
2430     IShellLinkImpl *This = impl_from_IContextMenu(iface);
2431     static WCHAR szOpen[] = { 'O','p','e','n',0 };
2432     MENUITEMINFOW mii;
2433     int id = 1;
2434
2435     TRACE("%p %p %u %u %u %u\n", This,
2436           hmenu, indexMenu, idCmdFirst, idCmdLast, uFlags );
2437
2438     if ( !hmenu )
2439         return E_INVALIDARG;
2440
2441     memset( &mii, 0, sizeof mii );
2442     mii.cbSize = sizeof mii;
2443     mii.fMask = MIIM_TYPE | MIIM_ID | MIIM_STATE;
2444     mii.dwTypeData = szOpen;
2445     mii.cch = strlenW( mii.dwTypeData );
2446     mii.wID = idCmdFirst + id++;
2447     mii.fState = MFS_DEFAULT | MFS_ENABLED;
2448     mii.fType = MFT_STRING;
2449     if (!InsertMenuItemW( hmenu, indexMenu, TRUE, &mii ))
2450         return E_FAIL;
2451     This->iIdOpen = 0;
2452
2453     return MAKE_HRESULT( SEVERITY_SUCCESS, 0, id );
2454 }
2455
2456 static LPWSTR
2457 shelllink_get_msi_component_path( LPWSTR component )
2458 {
2459     LPWSTR path;
2460     DWORD r, sz = 0;
2461
2462     r = CommandLineFromMsiDescriptor( component, NULL, &sz );
2463     if (r != ERROR_SUCCESS)
2464          return NULL;
2465
2466     sz++;
2467     path = HeapAlloc( GetProcessHeap(), 0, sz*sizeof(WCHAR) );
2468     r = CommandLineFromMsiDescriptor( component, path, &sz );
2469     if (r != ERROR_SUCCESS)
2470     {
2471         HeapFree( GetProcessHeap(), 0, path );
2472         path = NULL;
2473     }
2474
2475     TRACE("returning %s\n", debugstr_w( path ) );
2476
2477     return path;
2478 }
2479
2480 static HRESULT WINAPI
2481 ShellLink_InvokeCommand( IContextMenu* iface, LPCMINVOKECOMMANDINFO lpici )
2482 {
2483     IShellLinkImpl *This = impl_from_IContextMenu(iface);
2484     static const WCHAR szOpen[] = { 'O','p','e','n',0 };
2485     SHELLEXECUTEINFOW sei;
2486     HWND hwnd = NULL; /* FIXME: get using interface set from IObjectWithSite */
2487     LPWSTR args = NULL;
2488     LPWSTR path = NULL;
2489     HRESULT r;
2490
2491     TRACE("%p %p\n", This, lpici );
2492
2493     if ( lpici->cbSize < sizeof (CMINVOKECOMMANDINFO) )
2494         return E_INVALIDARG;
2495
2496     if ( lpici->lpVerb != MAKEINTRESOURCEA(This->iIdOpen) )
2497     {
2498         ERR("Unknown id %p != %d\n", lpici->lpVerb, This->iIdOpen );
2499         return E_INVALIDARG;
2500     }
2501
2502     r = IShellLinkW_Resolve( (IShellLinkW*)&(This->lpvtblw), hwnd, 0 );
2503     if ( FAILED( r ) )
2504         return r;
2505
2506     if ( This->sComponent )
2507     {
2508         path = shelllink_get_msi_component_path( This->sComponent );
2509         if (!path)
2510             return E_FAIL;
2511     }
2512     else
2513         path = strdupW( This->sPath );
2514
2515     if ( lpici->cbSize == sizeof (CMINVOKECOMMANDINFOEX) &&
2516          ( lpici->fMask & CMIC_MASK_UNICODE ) )
2517     {
2518         LPCMINVOKECOMMANDINFOEX iciex = (LPCMINVOKECOMMANDINFOEX) lpici;
2519         DWORD len = 2;
2520
2521         if ( This->sArgs )
2522             len += lstrlenW( This->sArgs );
2523         if ( iciex->lpParametersW )
2524             len += lstrlenW( iciex->lpParametersW );
2525
2526         args = HeapAlloc( GetProcessHeap(), 0, len*sizeof(WCHAR) );
2527         args[0] = 0;
2528         if ( This->sArgs )
2529             lstrcatW( args, This->sArgs );
2530         if ( iciex->lpParametersW )
2531         {
2532             static const WCHAR space[] = { ' ', 0 };
2533             lstrcatW( args, space );
2534             lstrcatW( args, iciex->lpParametersW );
2535         }
2536     }
2537
2538     memset( &sei, 0, sizeof sei );
2539     sei.cbSize = sizeof sei;
2540     sei.fMask = SEE_MASK_UNICODE | (lpici->fMask & (SEE_MASK_NOASYNC|SEE_MASK_ASYNCOK|SEE_MASK_FLAG_NO_UI));
2541     sei.lpFile = path;
2542     sei.nShow = This->iShowCmd;
2543     sei.lpIDList = This->pPidl;
2544     sei.lpDirectory = This->sWorkDir;
2545     sei.lpParameters = args;
2546     sei.lpVerb = szOpen;
2547
2548     if( ShellExecuteExW( &sei ) )
2549         r = S_OK;
2550     else
2551         r = E_FAIL;
2552
2553     HeapFree( GetProcessHeap(), 0, args );
2554     HeapFree( GetProcessHeap(), 0, path );
2555
2556     return r;
2557 }
2558
2559 static HRESULT WINAPI
2560 ShellLink_GetCommandString( IContextMenu* iface, UINT_PTR idCmd, UINT uType,
2561                             UINT* pwReserved, LPSTR pszName, UINT cchMax )
2562 {
2563     IShellLinkImpl *This = impl_from_IContextMenu(iface);
2564
2565     FIXME("(%p)->(%lu %u %p %p %u): stub\n", This,
2566           idCmd, uType, pwReserved, pszName, cchMax );
2567
2568     return E_NOTIMPL;
2569 }
2570
2571 static const IContextMenuVtbl cmvt =
2572 {
2573     ShellLink_ContextMenu_QueryInterface,
2574     ShellLink_ContextMenu_AddRef,
2575     ShellLink_ContextMenu_Release,
2576     ShellLink_QueryContextMenu,
2577     ShellLink_InvokeCommand,
2578     ShellLink_GetCommandString
2579 };
2580
2581 static HRESULT WINAPI
2582 ShellLink_ObjectWithSite_QueryInterface( IObjectWithSite* iface, REFIID riid, void** ppvObject )
2583 {
2584     IShellLinkImpl *This = impl_from_IObjectWithSite(iface);
2585     return ShellLink_QueryInterface( This, riid, ppvObject );
2586 }
2587
2588 static ULONG WINAPI
2589 ShellLink_ObjectWithSite_AddRef( IObjectWithSite* iface )
2590 {
2591     IShellLinkImpl *This = impl_from_IObjectWithSite(iface);
2592     return ShellLink_AddRef( This );
2593 }
2594
2595 static ULONG WINAPI
2596 ShellLink_ObjectWithSite_Release( IObjectWithSite* iface )
2597 {
2598     IShellLinkImpl *This = impl_from_IObjectWithSite(iface);
2599     return ShellLink_Release( This );
2600 }
2601
2602 static HRESULT WINAPI
2603 ShellLink_GetSite( IObjectWithSite *iface, REFIID iid, void ** ppvSite )
2604 {
2605     IShellLinkImpl *This = impl_from_IObjectWithSite(iface);
2606
2607     TRACE("%p %s %p\n", This, debugstr_guid( iid ), ppvSite );
2608
2609     if ( !This->site )
2610         return E_FAIL;
2611     return IUnknown_QueryInterface( This->site, iid, ppvSite );
2612 }
2613
2614 static HRESULT WINAPI
2615 ShellLink_SetSite( IObjectWithSite *iface, IUnknown *punk )
2616 {
2617     IShellLinkImpl *This = impl_from_IObjectWithSite(iface);
2618
2619     TRACE("%p %p\n", iface, punk);
2620
2621     if ( punk )
2622         IUnknown_AddRef( punk );
2623     This->site = punk;
2624
2625     return S_OK;
2626 }
2627
2628 static const IObjectWithSiteVtbl owsvt =
2629 {
2630     ShellLink_ObjectWithSite_QueryInterface,
2631     ShellLink_ObjectWithSite_AddRef,
2632     ShellLink_ObjectWithSite_Release,
2633     ShellLink_SetSite,
2634     ShellLink_GetSite,
2635 };